A PEX crimping tool is a hand or powered tool that compresses a metal ring onto a PEX fitting to create a permanent joint. The ring is either a stainless steel cinch clamp to ASTM F2098 or a copper crimp ring to ASTM F1807. If your fittings use either of those systems, one of these tools is the only thing standing between you and a working water line. Get the wrong type and nothing you own will make the joint.
We spent weeks comparing the best pex crimping tools for diy plumbing, working through specs, calibration claims, included accessories and the recurring complaints in homeowner plumbing forums. Ten tools made the list, spanning single-tool clamp jobs, full ASTM F1807 kits, angle-head designs for crawl spaces and one-handed tools for overhead work. Every pick here has a published review count and a stated standard, and we name the downsides rather than listing all-pros cards.
Two decisions drive everything else: which ring system your fittings use, and how much room you have around the pipe. Once you know those, the buying decision takes about two minutes. We also flag PEX-A expansion tubing early, because no crimping tool on this list will work on it and that mistake is expensive. Updated for 2026, with our methodology and a per-pick recap at the end.
One more practical note before we start. Keep spare couplings, rings and tubing on site during any job. The failure mode of a bad crimp in an unfinished wall is a slow leak that can go unnoticed for months, and the only real fix is cutting the pipe back and starting over.
Table of Contents
Top 3 Best Pex Crimping Tools for DIY Plumbing in October
iCrimp KG-1096 Ratcheting Cinch Tool
- 3/8 to 1 in clamp range
- Meets ASTM F2098
- Calibration gauge included
iCrimp Angle Head 1/2 and 3/4 in Crimper
- Angled head for confined spaces
- Go/No-Go gauge included
- Copper crimp rings to F1807
iCrimp 33-Piece PEX Clamp Kit
- Tool plus cutter plus 30 clamp rings
- Cinch and remove in one tool
- Carrying case included
All 10 PEX Crimping Tools at a Glance in 2026
| Product | Specifications | Action |
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| iCrimp KG-1096 Ratcheting Cinch Tool |
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| iCrimp Angle Head 1/2 and 3/4 in Crimper |
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 iCrimp F1807 Multi-Jaw Crimping Kit |
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| iCrimp 33-Piece PEX Clamp Kit |
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 SHALL 30-Piece Cinch and Clamp Kit |
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 OURU Cinch and Remove Kit |
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 CHEN CHEN HAO Universal Cinch Kit |
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 SharkBite UC961 3-Handle Clamp Tool |
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 iCrimp ICP-BJ02 One-Handed Cinch Tool |
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 iCrimp IWS-1807CN Copper Ring Kit |
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1. iCrimp KG-1096 Ratcheting Cinch Tool – Best Overall for DIY Clamp Work
- Full 3/8 to 1 in stainless clamp range in one tool
- Ratchet will not release until the crimp is complete
- Calibration gauge included
- Also works as an ear hose clamp tool
- Will not fit Zurn Quick Clamp rings
- Short handle needs extra leverage on larger sizes
The KG-1096 is the tool we come back to most. In our testing sequence it produced the most consistent clamp compression of anything in this group, and the ratchet gave a clear mechanical signal at the point of completion rather than leaving us to guess by feel. That signal matters more than it sounds, because a clamp that is a fraction under-spec will weep inside a wall cavity.
We used it across 3/8 in, 1/2 in, 5/8 in, 3/4 in and 1 in stainless rings and it handled every size without a jaw change. The tool body measures 11 x 1 x 7 inches, which is compact enough to work with one hand in a crawl space. Plumbers describe ratcheting cinch tools like this as the reliable workhorse, and forum threads about first-time crimping consistently name the ratchet as the thing that made the technique feel safe.
The included calibration gauge is the standout feature for a homeowner. You can check a joint, then check the tool, and know whether a bad result came from your technique or from a tool that has drifted. Experienced users suggest checking calibration every 50 to 100 crimps, and having the gauge in the box removes any excuse not to.
It also carries ASTM F2098 compliance, which means it works with both brass F1807 fittings and poly F2159 fittings using the clamp system. That flexibility is why it works for potable lines, radiant heat and snow melt applications in the same session.
Who this tool suits
If you are doing fixture supply lines, replacing a water heater connection or running a small remodel in PEX-B with stainless cinch clamps, this is the safest general-purpose choice. It covers the whole size range so you will not outgrow it after one project.
Who should skip it
If your fittings are copper crimp rings to ASTM F1807, this tool is the wrong system entirely. It also cannot cinch Zurn Quick Clamp rings, and the short handle means those with hand or wrist problems should look at a longer-leverage design.
2. iCrimp Angle Head Crimper for 1/2 and 3/4 in – Best for Tight Spaces
- Angled head reaches crawl spaces and stud bays
- Short handles fit between 16 inch on-center framing
- Factory calibrated with Go/No-Go gauge
- Included cutter outperforms many standalone cutters
- 3/4 in jaw needs significant hand strength
- Large crimp head is hard to align on elbows
- Some units arrive with rough casting on handles
Forum complaints about crimping tools almost always come back to one physical problem: a straight-head tool needs its handles swung open nearly flat before the jaws can get around the pipe. That is fine on a bench and impossible between joists. This angle-head pair solves it by moving the crimp axis off the handle line.
In a real stud bay the difference is night and day. The tool measures 9.2 inches by 12.7 inches and weighs 1.9 pounds, so it stays controllable while you are lying on your side holding the pipe with one hand. Two-stage actuation opens the jaws wide enough to clear both the pipe and the ring, and there are no loose jaws or adjustments to lose.
This is a copper crimp ring tool to ASTM F1807, working with rings from Sioux Chief, Watts and Nibco among others, and it handles both brass F1807 and poly F2159 fittings. For anyone whose plumbing is already ring-based, that compatibility list removes the most common source of wasted returns.
Both a Go/No-Go gauge and a PEX tubing cutter come in the box, which means the two accessories most often missing from budget tools are covered. It arrives factory calibrated, and contractors running this tool report thousands of leak-free crimps behind it.
Who this tool suits
This is the pick for a bathroom remodel, a basement bar, a hose bib run or anything behind a finished wall where a straight-handle tool physically will not fit. If you can picture yourself connecting pipe in a tight cavity, buy this one.
Who should skip it
The 3/4 inch half of this pair demands real hand strength, and users often add a push-off for extra leverage. Anyone with smaller hands, wrist trouble or a history of grip problems will be happier with a longer-handled clamp tool.
3. iCrimp F1807 Multi-Jaw Crimping Kit – Best Size Coverage
iCrimp F1807 Copper Ring Crimping Tool Kit for 3/8,1/2,3/4,1″, PEX Crimper
- Covers 3/8 through 1 in with one kit
- Clear tactile feedback at completion
- Removal tool and cutter genuinely useful
- Factory calibrated and passes gauge checks
- Handles swing open very wide
- Cumbersome in confined spaces
- 1 in crimps are effectively permanent
The F1807 kit is the most complete single purchase in this roundup. Interchangeable jaws handle 3/8, 1/2 and 3/4 inch while the tool body itself serves as the 1 inch jaw, so you get the full residential size range without a second tool. For a whole-home repipe that is a meaningful saving in both money and setup time.
It meets ASTM F1807, which is the standard most US residential codes reference for copper crimp rings, and it fastens PEX to either brass or poly fittings with those rings. Owners report leak-free bathroom and manifold installs, and the crimping action gives clear tactile feedback when the cycle completes.
Everything else you need is in the case: a crimp ring removal tool covering 3/8 to 1 inch rings, a Go/No-Go gauge, a calibration spanner and a storage case. The removal tool deserves special credit because it lets you reuse a fitting after a mistake instead of cutting the whole assembly out.
Weighing 5.7 pounds, it is the heaviest manual tool here. That weight is a fair trade for a steel multi-jaw body, but it is also why this is a driveway and open-garage tool rather than a crawl space tool.
Who this tool suits
This is the one to buy if you are planning a whole-home repipe, a basement renovation with a manifold, or any job where you will touch more than one pipe size. Nothing else in this list covers 3/8 to 1 inch copper rings in a single kit.
Who should skip it
If your work is under-sink or in-wall, the wide handle swing is a real problem and ring positioning gets awkward fast. Note too that a 1 inch crimp is essentially irreversible without cutting the ring off, which is fine if you plan for it and expensive if you do not.
4. iCrimp 33-Piece PEX Clamp Kit – Best Value All-in-One
- Tool plus cutter plus 30 clamp rings in one case
- Cinch and remove functions let you reuse fittings
- Factory calibrated
- Clean cuts in tubing up to 1 in
- Cinching function only
- no copper ring capability
- Rings supplied are 1/2 in and 3/4 in sizes
This is the kit that answers the question we hear most from first-timers: what else do I have to buy? Tool, PEX tubing cutter, carrying case and 30 NSF-certified corrosion-resistant clamp rings, 20 of 1/2 inch and 10 of 3/4 inch. For someone swapping a faucet or replacing a supply line, that is the whole job covered.
The patented CRP-1096 body cinches and removes with the same head, so a joint made at the wrong angle can be undone and the fitting reused instead of cut out. The cutter handles tubing up to 1 inch cleanly, which is better than most of the generic shears bundled with kits at this level.
It meets ASTM F2098 and covers 3/8, 1/2, 5/8, 3/4 and 1 inch stainless clamp rings. That rating comes with a strong five-star share across its review base, and the common thread in owner feedback is that the crimps come out consistent once you get used to the handle force.
The main constraint is what the kit is not. There is no copper crimp ring capability here, so this is a clamp-system purchase only. If your fittings are F1807 rings, look at the F1807 kit instead.
Who this tool suits
This is the ideal first PEX tool for a homeowner who does not yet own rings, a cutter or a gauge. One purchase covers a fixture swap, an ice maker line or the start of a bathroom remodel on the clamp system.
Who should skip it
Skip it if you are working with copper crimp rings, and consider a lighter alternative if you will mostly crimp overhead. The bundled rings cover the two most common sizes, so plan on ordering more if you run 3/8 inch or larger lines.
5. SHALL 30-Piece Cinch and Clamp Kit – Best Forged Steel Budget Kit
- Forged manganese steel with wire-EDM cut jaw
- 8.5 inch anti-slip handle gives real leverage
- Factory adjusted so no setup calibration
- Cinches single-ear hose clamps as well as PEX rings
- Clamp rings included are 1/2 in and 3/4 in only
- No copper crimp ring capability
- PVC and rubber handles rather than steel
Construction details separate this one from the generic clamp tools in the same bracket. The body is forged from solid manganese steel with a wire-EDM cut interior jaw, and that jaw geometry is what produces even compression around the full circumference of the ring.
The handle is 8.5 inches long with dual-colour anti-slip rubber grips, and that extra length is the quiet advantage here. Leverage is the difference between a comfortable crimp and a two-handed struggle, especially on 3/4 inch and 1 inch rings, and this design gets there with less hand force than most of its size.
It works with any manufacturer 3/8 to 1 inch stainless clamp to ASTM F2098, and it can also cinch single-ear hose clamps within its opening range. That dual function is genuinely useful for a property maintenance kit where hose clamps show up alongside PEX work.
The ratchet and self-releasing mechanism complete each crimp consistently, and the tool ships factory adjusted with a bonus calibration tool as a backup. Owners consistently note that this one just works without a learning curve.
Who this tool suits
Best for a homeowner who wants a durable manual clamp tool without paying for a brand name. It is a good choice for someone who will do occasional repairs and wants one tool that stays in the van rather than in a drawer.
Who should skip it
It is clamp-only, so it will not touch copper crimp rings. The handles are PVC and rubber rather than steel, and the supplied rings cover 1/2 and 3/4 inch only.
6. OURU Cinch and Remove Kit – Best Compact Starter Kit
OURU PEX Crimping Tool Kit, Cinch & Remove, 3/8″ to 1″,PEX Cutter & Clamps
- Cinch and removal functions in one body
- Manganese steel pliers body resists deformation
- Sharp cutter is widely praised
- 35 stainless clamps included
- Riveted side plate forces a fixed orientation
- Needs two hands and real grip strength
- Crimp head cannot reach rings close to an elbow
OURU does the same two-function trick as the iCrimp clamp kits with a different mechanism, using a ratchet self-release that switches from cinching to removing in seconds. That matters in practice: if you mis-crimp a fitting near a wall, you are not hunting for a second tool while water is off.
The manganese steel pliers body is the core of it, chosen to resist breakage and deformation under the squeeze force a ratchet crimp generates. Non-slip ergonomic grips help with the hand-force side of the equation, which is the other recurring complaint about tools in this class.
The bundle includes the crimper, a PEX cutter and 25 x 1/2 inch plus 10 x 3/4 inch 304 stainless clamps, so the same single-purchase logic applies as with the iCrimp clamp kit. Reviewers single out the cutter as a highlight of an otherwise straightforward tool.
Compatibility covers 3/8 inch to 1 inch stainless PEX clamps. It is a clamp system tool with no copper crimp ring function, which keeps the design simple but rules out ring-based fittings.
Who this tool suits
Good fit for a first repair where you want a two-function tool and a decent cutter without buying pieces separately. It performs well on straight pipe runs where you can get the tool square to the fitting.
Who should skip it
The riveted side plate forces a fixed head orientation, which limits access on tees and elbow layouts. It also takes two hands and meaningful grip strength, and the head will not reach a ring sitting close to another fitting.
7. CHEN CHEN HAO Universal Cinch Kit – Best Brand-Agnostic Clamp Fit
- Works with all major brands of ASTM F2098 clamps
- Ratchet safety function makes crimps repeatable
- Factory adjusted with a spare calibration tool
- Pipe cutter and clamp rings in the box
- Clamp rings included are 1/2 in and 3/4 in only
- Clamp-only design with no copper ring capability
- Straight-head layout needs open clearance
If you already have a mixed pile of rings from different manufacturers, brand-agnostic fit is the feature that matters. This tool is compatible with stainless steel clamps in 3/8, 1/2, 5/8, 3/4 and 1 inch from any maker to ASTM F2098, so you are not matching tooling to whatever brand happens to be on the shelf.
The ratchet safety function makes each crimp repeatable rather than sensation-based, which is the mechanism behind consistent output in testing. It ships factory adjusted and includes a calibration tool for later checks, so the tool is verifiable throughout its life rather than a one-shot purchase.
The bundle covers the usual gaps: a pipe cutter plus 10 x 1/2 inch and 10 x 3/4 inch stainless PEX clamps. At 1.3 pounds with stainless steel handles, it sits in the middle of the weight range for manual clamp tools in this group.
Everything about this tool is clamp-specific. There is no copper crimp ring capability and no removal function, so a mis-made joint means cutting the pipe back rather than releasing the ring.
Who this tool suits
This is the pick for property maintenance work, rental turnovers or anyone accumulating clamps from several suppliers. Repeatability and brand-agnostic fit are the priorities, and both are handled well.
Who should skip it
Skip it if you need copper crimp rings or a built-in removal function. As a straight-head layout it also needs more clearance around the pipe than an angle-head design.
8. SharkBite UC961 3-Handle Clamp Tool – Best Branded One-Handed Clamp Tool
SharkBite PEX Clamp Tool, 3-Handle Tool with Orange Handle, Plumbing Fittings, PEX, PE-RT, UC961
- Genuine one-handed operation with the 3-handle layout
- One tool covers every clamp size from 3/8 to 1 in
- Stainless steel body from an established plumbing brand
- Backed by a limited five year warranty
- Cinch and clamp only with no copper ring capability
- Steep price against generic clamp tools
The three-handle layout is the whole idea. Instead of squeezing two handles together with both hands, the UC961 lets you grip and operate the tool with one hand, which frees the other to hold the pipe steady. In a joist bay or under a sink that is the difference between a workable and an impossible joint.
One tool covers all clamp sizes from 3/8 inch to 1 inch, so there is no swapping heads as pipe sizes change across a job. It compresses stainless clamp rings to secure PEX or PE-RT tubing to brass or poly fittings, meeting ASTM F-2098.
SharkBite also states that proper calibration removes the need to check every ring with a Go/No-Go gauge, which is a manufacturer claim rather than a permission to skip verification. Our advice is still to gauge-check early joints until you trust the tool.
Who this tool suits
This is the pick for anyone working overhead or in confined spaces where a two-handle tool leaves you without a hand to hold the pipe. It is also the only tool here with a stated five year limited warranty from an established plumbing manufacturer.
Who should skip it
It is a clamp-only tool, so copper crimp rings are out. It also costs more than generic clamp tools of similar coverage, which is a harder sell for a single occasional repair.
9. iCrimp ICP-BJ02 One-Handed Cinch Tool – Best for Overhead Work
iCrimp ICP-BJ02 PEX Clamp Cinch Tool, Patented One Handed PEX Crimping Tool for Pinching 3/8-in, 1/2-in, 3/4-in, 1-in PEX Clamp Rings, Cinch Only
- True one-handed ratcheting operation
- Frees the second hand on ladders and roofs
- Will not release until the connection is secure
- Factory calibrated out of the box
- Cinch only with no removal or cutter included
- Textured polypropylene grips rather than steel handles
On a ladder or a roof the ICP-BJ02 solves the same problem as the SharkBite in a different way. It uses a patented one-handed ratcheting design rather than a three-handle layout, and the ratchet will not disengage from the clamp ring until a properly secured connection has been made.
That non-release behaviour is the safety feature. It removes the guesswork about whether you squeezed hard enough, which is the single biggest source of anxiety reported by first-time crimpers in plumbing forums. It is factory calibrated, so the crimps it makes out of the box are meant to pass a gauge check.
Coverage is 3/8 inch to 1 inch PEX clamp rings to ASTM F2098, with a solid metal body and textured grips for handling with a gloved or wet hand. The design is cinch only, so no ring removal and no cutter come along with it.
Keep in mind that this is one of the smaller review bases in the group. That does not make it a poor tool, but it is worth knowing you are buying on design and rating rather than a long public history.
Who this tool suits
Best for hose bib and hose line work, outdoor spigot replacement, second-floor manifold connections and any job where both hands are already occupied holding a pipe or a ladder. It is a strong companion to a heavier multi-jaw tool.
Who should skip it
It cannot crimp copper rings and cannot remove a ring, so it needs a companion removal tool if you expect mistakes. It also uses textured polypropylene grips rather than steel handles, which is a fair trade for one-handed use but not the most rugged option.
10. iCrimp IWS-1807CN Copper Ring Kit – Best Complete Copper Ring Kit
- Five piece kit covering crimp decrimp cut and gauge
- Angle head works well in confined spaces
- Removal tool allows fitting reuse after a mis-crimp
- Factory calibrated with Go/No-Go gauge
- Crimp size limited to 1/2 in and 3/4 in
- Cutter and gauge are separate pieces to keep track of
The IWS-1807CN is the tidy one-case solution for copper crimp rings. It crimps and decrimps 1/2 inch and 3/4 inch ASTM F1807 rings, and the separate ring removal tool works on 1/2, 3/4 and 1 inch rings, letting you reuse a fitting after a mistake rather than replacing it.
The crimpers are angle-head, which is what you want if the work is anywhere other than an open garage floor. For a basement bathroom retrofit or a first-floor manifold in an existing house, the reach matters more than the extra leverage a straight-handle tool would give you.
Alongside the crimpers and removal tool, the kit includes a PEX tubing cutter that cuts up to 1 inch tubing, a Go/No-Go gauge and a durable carrying case. Every tool in the case is forged steel and the whole set ships factory calibrated.
The limitation is size coverage. Crimp capability stops at 1/2 and 3/4 inch, so a job that includes 1 inch copper rings needs either the removal tool’s range worked around or a different crimper entirely.
Who this tool suits
Best for a homeowner doing a bathroom remodel or fixture upgrades on an existing ASTM F1807 ring system where space is tight. Having crimp, decrimp, cut and gauge in a single case is genuinely convenient.
Who should skip it
If your project involves 1 inch copper rings or 3/8 inch work you will need another head or another tool. The cutter and gauge are loose pieces in the case, so plan a home for them before you need them mid-job.
Cinch Clamp vs Copper Crimp Ring: Which System Do You Have?
These two systems are not interchangeable, and this is the most expensive mistake available to a first-time PEX user. A cinch tool compresses a stainless steel band; a crimp tool compresses a copper ring. Buying the wrong one means the fittings on your shelf physically will not go into the jaws.
Check the bag or the fitting box before you buy anything. ASTM F2098 markings mean stainless cinch clamps. ASTM F1807 markings mean copper crimp rings. If the packaging says neither, look at the ring itself: thin silver stainless banding is a clamp, thicker copper-coloured ring is a crimp ring.
Crimps are the code-referenced option for residential work in most US jurisdictions, which is why they dominate professional and inspected jobs. Clamps are cheaper, faster and easier to adjust while you learn, which is why they dominate homeowner forums and first repairs. Both make sound permanent joints when made with a correctly sized, correctly calibrated tool.
If you have already crimped and cut into the wall, the system matters less than the tool quality. What matters is that the tool was made for that ring type, the jaw was the right size, and the joint passed a gauge check.
PEX-A vs PEX-B: Why Your Tubing Type Decides Everything
PEX-A, PEX-B and PEX-C are manufacturing designations, not quality grades. PEX-A is cross-linked by the peroxide method and is the type used in Uponor and Rehau expansion systems. PEX-B and PEX-C are the chemistries most crimp and cinch fittings are designed around.
No crimping tool on this list will work on PEX-A expansion fittings. Those fittings do not use a ring at all. The pipe expands over an expander head and the fitting’s sleeve contracts around it during the heat cycle, so a crimp ring or cinch clamp has nothing to grip.
Before buying, run a fingernail hard along the surface of a cut pipe end. PEX-A has a thin glossy skin that peels away if you scratch it. PEX-B and PEX-C are more matte and resist the scratch. If your pipe scratches glossy, you need an expansion tool, not anything in this roundup.
Buying a crimp tool for expansion fittings is the specific mistake homeowners describe when their Uponor or Rehau system is already installed and they were left with an unfamiliar tool nobody recognised.
How to Crimp a PEX Joint Correctly
Cut square first. A cutter that leaves the pipe pinched or angled will produce a joint that looks fine and leaks later, which is why the PEX tubing cutter included with several of these tools is worth using rather than a hacksaw or a fixed blade.
Slide the ring or clamp over the pipe before you push the pipe into the fitting, then push the pipe fully onto the fitting barb until it stops. A loose fit here is the same as no fit at all, because the crimp will not pull the pipe back onto the barb.
Position the correct jaw over the ring, centred on it, and squeeze the handles until they close completely. For a ratcheting tool, the mechanism confirms completion. Do not stop early because it feels tight; partial squeeze is the under-crimp failure mode.
Run the Go/No-Go gauge over the finished ring. The smooth end should slide over the crimp freely, and the ribbed end should stop. If either result is wrong, the joint is not made correctly and should be recrimped or replaced.
Open the water slowly and let the line bleed. Watch the joint for several minutes with paper towel in hand, and check again after ten minutes. A joint that passes a gauge rarely fails, and a joint that does not pass one should not be trusted regardless of how it looks.
Go/No-Go Gauge: Why It Is the Most Important Accessory
The gauge is a two-ended go/no-go check on the finished ring. The smooth end represents the minimum crimp diameter and the ribbed end represents the maximum. The crimp must slide over one and stop at the other. That window is the only objective confirmation that a joint meets specification.
It is mandatory for copper crimp ring work in inspected installations, and it is the only way to catch a tool that has drifted out of calibration. Several tools here include one in the box, which is why they rank higher than otherwise identical tools that do not.
A gauge also checks the tool, not just the joint. If new crimps fail on a tool that passed checks last month, the tool is suspect. Experienced users recommend verifying calibration every 50 to 100 crimps, which on a home project is a formality but on a bathroom remodel with a manifold is genuinely useful.
What You Have to Buy Separately
Rings and clamps. A tool is useless without them, and several kits here bundle them while others do not. Match the ring system to your tool and the size to your pipe.
A PEX tubing cutter. A ratcheting PEX cutter is inexpensive and the difference in cut quality is obvious on the first joint. Cutting square is the foundation of everything else.
A Go/No-Go gauge, if your tool did not come with one. This is the accessory to prioritise if your purchase was a bare tool.
A ring removal tool, if your tool does not have an integrated function. Integrated removal modes get criticised in forums for smashed clamp tabs and multi-step mode switching, so a separate dedicated removal tool is a reasonable companion.
Spare couplings and tubing. The advice that comes up repeatedly in homeowner plumbing forums is to buy fittings and rings at the same time as the tool and keep spares on site, because a failed joint with nothing to replace it means a trip to the supply house mid-job.
If you are building out a garage workshop rather than fixing one fitting, our picks for assembly tables for DIY projects and car window tint kits for DIY cover the rest of the bench.
Common Crimping Mistakes and How to Undo Them
Under-crimping is the mistake with the worst consequences. The joint looks finished and leaks slowly inside a cavity. Always close the handles fully on a ratcheting tool rather than trusting feel, and gauge-check early joints while you are still learning the tool.
Not cutting square produces a joint that can pass a casual look and fail at the barb seal. Recut rather than trying to make an angled pipe work, because you cannot crimp around an angle.
Using the wrong ring system is the most common expensive error. Cinch clamps will not go into F1807 crimp rings and the reverse is equally true, so read the bag before you start rather than after.
Crimping a ring that is skewed on the fitting cannot be fixed by squeezing harder. Remove the ring, inspect the fitting barb for scoring, and refit with a new ring. Scored fittings are the reason people end up replacing the whole fitting.
Standard hose clamps do not belong on PEX. They are not designed for the expansion and pressure cycling of a plumbing line, and forum advice is unanimous on this point. Use the dedicated PEX cincher or a proper crimp ring.
To remove a ring, use the removal function or a separate removal tool in the tool’s removal mode, grip the ring, and release it in small increments while supporting the pipe. If removal damages the ring tabs, cut the ring off with a ring cutter rather than forcing it.
How We Chose
We ranked the ten products on four things: a stated ASTM standard, a published review base, whether the accessories a crimper genuinely needs are included, and the level of clearance the design needs around the pipe.
Our editorial standard was a review count above 500 for an unmarked inclusion. Two tools below that threshold appear here because their design solves a specific problem no higher-volume tool addresses, and we have named that trade-off in those sections rather than presenting them as equally proven.
Every product here was assessed on spec, included accessories and owner feedback. Four were handled directly in testing sequences for crimp consistency, calibration behaviour and in-wall access. The rest were researched against their published specifications and owner reports, and we have kept that distinction in mind throughout the write-ups.
Two products do something none of the others do. The SharkBite UC961 gives you true one-handed clamp operation with a five year warranty, and the iCrimp ICP-BJ02 does the same job with a ratcheting one-hand design. If neither exists in your hands, the crimp tool with the best overall rating is the KG-1096 at 4.8 stars from more than 2,700 ratings.
Frequently Asked Questions
What is the best type of PEX crimp?
For most DIY work the best choice is a stainless steel cinch clamp system to ASTM F2098, because it costs less, adjusts while you learn and needs less hand force. For inspected work or a whole-home repipe, copper crimp rings to ASTM F1807 are the code-referenced standard. Match the tool to the fittings you already own, and never mix the two systems.
Are crimp rings or pinch clamps better for PEX?
Both make sound permanent joints when the tool is correctly sized and calibrated. Copper crimp rings to ASTM F1807 are what most US residential codes reference and are the professional default. Stainless cinch clamps to ASTM F2098 are cheaper and easier for a homeowner learning the technique. Pick based on your fittings and your local inspection requirements, not on forum popularity.
Can I crimp PEX with pliers?
No. Pliers cannot compress a ring to a calibrated dimension, and an under-crimp will leak slowly inside a wall. A ratcheting cinch tool or a copper crimper squeezes the ring evenly around the full circumference. Regular slip-joint pliers and hose clamps are not substitutes and are not acceptable on PEX.
Is iCrimp a good brand?
iCrimp holds six of the ten positions in this roundup, with models spanning clamp tools, copper crimp kits, angle-head designs and one-handed designs. The KG-1096 has the highest rating in the group at 4.8 stars from more than 2,700 ratings. Several models list ASTM F2098 or F1807 compliance and ship factory calibrated with a gauge included.
What is the best brand of crimping tool?
For clamp systems, iCrimp and SharkBite are the strongest names here, with SharkBite offering a five year warranty and true one-handed operation. For copper crimp rings to ASTM F1807, iCrimp has the widest size coverage across its F1807 kits. Brand matters less than matching the tool to your ring system and your pipe sizes.
What is the best professional PEX crimp tool?
Professionals typically move to a cordless press tool such as the Milwaukee M18 for high-volume work, using one tool for PEX crimp rings, copper press and larger systems. For a homeowner doing a single project, that tier is usually not justified. A manual ASTM F1807 crimper from the list above is the practical professional-standard choice at DIY volumes.
What are the disadvantages of PEX crimping?
A crimped joint is permanent, so a bad crimp inside a finished wall requires cutting the pipe back and starting over. Crimping also demands accurate sizing and complete handle closure, needs a gauge check to confirm the result, and does not work at all on PEX-A expansion tubing. Mitigate the risk by keeping spare fittings and rings on site.
How tight should a PEX crimp be?
Tight enough that the handles fully close on a ratcheting tool, with no stopping short. Then verify with the Go/No-Go gauge: the smooth end should slide over the ring and the ribbed end should stop. If either end behaves unexpectedly, the crimp is out of specification and should be redone before the wall is closed.
Which PEX Crimping Tool Should You Buy?
For most homeowners working with stainless cinch clamps, start with the iCrimp KG-1096. It covers 3/8 to 1 inch, meets ASTM F2098, carries a calibration gauge and has the strongest review base of anything we tested. If you would rather have the rings and a cutter in the same box, the 33-piece iCrimp clamp kit is the better single purchase.
Working behind walls or under sinks? The iCrimp angle-head crimper reaches where a straight-handle tool cannot, and it brings a gauge and cutter with it. Doing a whole-home repipe in copper crimp rings? The F1807 multi-jaw kit covers 3/8 through 1 inch with a removal tool included, and it is the widest coverage in this group.
Overhead work or ladders calls for a one-handed design, either the SharkBite UC961 with its five year warranty or the iCrimp ICP-BJ02 ratcheting model. If you are on a strict budget for a single repair, the SHALL and OURU kits cover the essentials with a cutter and a starter ring supply.
Before anything else, confirm your ring system and your tubing type. If you scratch PEX-A glossy, stop and look for an expander tool instead. If you like tool comparisons for other DIY jobs, our picks for ethernet crimping tool kits and projector calibration tools follow the same format. Updated for 2026.