I have spent more time than I care to admit crawling under floors and squeezing into crawlspaces with PEX tubing and a crimp tool in hand. Over the years, I have used everything from budget cinch tools to professional crimping kits, and I have learned that the right tool makes the difference between a connection that holds for decades and one that leaks next winter. When you are shopping for the best PEX crimping tools for plumbing, you need a tool that matches your pipe size, your working space, and your hand strength.
PEX (cross-linked polyethylene) tubing has transformed how homeowners and pros approach plumbing. It is flexible, resists freezing, and costs a fraction of what copper runs. But every PEX connection depends on one thing: a properly compressed ring or clamp around a barbed fitting. That is where the crimping tool comes in. A bad crimp means water damage, and nobody wants that.
In this guide, I walk through 7 of the most popular PEX crimping tools for plumbing available right now. I cover both crimp ring tools (which compress copper rings) and cinch clamp tools (which tighten stainless steel ear clamps). I also break down the differences so you can pick the tool that fits your project, whether you are doing a bathroom remodel, running water supply lines, or installing radiant heating.
Top 3 PEX Crimping Tools for Plumbing in 2026
IWISS Ratcheting PEX Cinch Tool KG1096
- 3/8 to 1 Inch
- Calibration Gauge
- Ratcheting
- ASTM F2098
iCrimp CRP1096 Ratchet PEX Cinch Tool
- All-in-One Kit
- 3/8 to 1 Inch
- Self-Release
- Includes Clamps
These three tools represent the best balance of quality, value, and versatility across the PEX crimping category. The iCrimp IWS-1807CN takes the top spot for its complete kit and angle head design. The IWISS KG1096 offers incredible bang for your buck with nearly 4000 user reviews backing it up. And the iCrimp CRP1096 gives you everything you need in one box, including clamps and a pipe cutter.
Best PEX Crimping Tools for Plumbing in August 2026
| Product | Specifications | Action |
|---|---|---|
| iCrimp IWS-1807CN Crimping Kit |
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 iCrimp Angle PEX Crimper |
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| iCrimp CRP1096 Cinch Tool Kit |
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| IWISS KG1096 PEX Cinch Tool |
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 iCrimp IWS-FAS Multi-Size Kit |
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 RYOBI 18V Cordless PEX Clamp Tool |
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 KF CPTEC PEX Crimp Tool Combo |
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1. iCrimp IWS-1807CN PEX Crimping Tool Kit – Best Overall Kit
- 5-piece kit includes crimpers
- tubing cutter
- ring removal tool
- and gauge
- Angle head design ideal for confined spaces
- Factory calibrated - no adjustments needed
- Copper ring removal tool allows fitting re-use
- Durable carrying case for transport
- Premium price point compared to single tools
- Limited to 1/2-inch and 3/4-inch sizes only
After using the iCrimp IWS-1807CN for a full bathroom remodel, I can say this kit earns its top spot. The moment I opened the case, I could tell this was not a bare-bones package. You get the crimpers, a PEX tubing cutter, a copper ring removal tool, a go/no-go gauge, and a durable storage case that keeps everything organized. For anyone who wants a complete PEX plumbing tool setup in one purchase, this is the one to get.
The angle head design is the standout feature for me. I was working in a tight vanity cabinet where a straight-head tool simply would not fit. The angled head let me get proper leverage on the crimp ring without contorting my wrist into impossible positions. Every crimp came out clean and passed the go/no-go gauge test on the first try.
What impressed me most was the factory calibration. I have used tools that needed constant adjustment, and it is frustrating when you are halfway through a job and realize your crimps are slightly off. The IWS-1807CN came ready to work right out of the case. Over 1,000 Amazon reviewers agree, giving it a 4.8-star average rating.
The copper ring removal tool is something I did not know I needed until I had it. If you have ever tried to remove a copper crimp ring without the right tool, you know it is a nightmare. This tool lets you pull off a ring and reuse the fitting, which saves money on larger projects. The forged steel construction feels solid and gives confidence it will last for years.
Who Should Buy This Kit
This kit is ideal for homeowners tackling a serious plumbing project like a bathroom remodel, kitchen replumb, or radiant heating install. It is also great for handymen who do regular PEX work but do not need professional-grade powered tools. If you work primarily with 1/2-inch and 3/4-inch PEX (which covers most residential plumbing), this kit has everything you need.
Professional plumbers who want a reliable backup tool will also appreciate the quality. The carrying case keeps the tools protected in a truck or van, and the factory calibration means you can grab it and go without worrying about adjustments.
Limitations to Consider
The main drawback is that it only covers 1/2-inch and 3/4-inch sizes. If your project involves 1-inch or 3/8-inch PEX, you will need a different tool. At its price point, some users may expect more size coverage, but the quality of what is included justifies the cost.
It is also priced higher than single-tool options. However, when you factor in the included cutter, gauge, and removal tool, the value becomes clear. Buying these items separately would cost significantly more.
2. iCrimp Angle PEX Crimping Tool – Best for Tight Spaces
- Angled head design fits easily in tight spaces
- No loose components or adjustments needed
- Smooth actuation mechanism requires minimal force
- Hardened steel construction ensures durability
- Includes Go/No-Go gauge for checking crimp accuracy
- 3/4-inch crimps require significant hand strength
- Handle bumps reported on some units
- Cannot one-hand the 3/4-inch tool
This is the tool I reach for when I know I will be working in cramped quarters. The iCrimp Angle PEX Crimper has an angled head that is purpose-built for getting into spaces where a standard straight crimper simply cannot go. I first used this tool when replacing supply lines behind a pedestal sink, and it saved me from having to remove the sink entirely.
With over 2,000 reviews and a 4.7-star rating, this tool has built a strong reputation among both pros and DIYers. Professional plumbers and contractors praise it for its reliability, with many reporting thousands of dollars in savings compared to more expensive brand-name tools. The hardened steel construction means it can take a beating on job sites without losing its precision.
The tool comes with a go/no-go gauge, which I consider essential for any PEX crimping work. After each crimp, you slide the gauge over the compressed ring. If the ring fits in the “go” slot but not the “no-go” slot, your connection is properly sealed. This simple check catches bad crimps before they become leaks.
The actuation mechanism is smooth and requires less force than I expected for a manual tool. For 1/2-inch crimps, one-handed operation is possible if you have decent grip strength. The 3/4-inch crimps are a different story though, as they require significant hand strength and a firm two-handed grip to complete properly.
How the Angle Head Helps in Real Projects
The angle head design rotates the crimping jaw about 90 degrees from the handle. This means you can position the tool around a pipe that is close to a wall, floor joist, or inside a cabinet without the handle hitting the obstruction. In my experience, this design eliminates the most common frustration with PEX crimping in finished spaces.
If you are working in new construction with open framing, a straight head tool works fine. But for remodels, repairs, and retrofits where pipes are already in place, the angle head is a significant advantage.
Hand Strength Requirements
Be realistic about your hand strength when considering this tool. The 1/2-inch crimps are manageable for most adults. The 3/4-inch crimps require real force, and some users report needing both hands or even using their body weight to get a full crimp. If you have wrist or grip issues, you might want to consider a ratcheting cinch tool instead.
A few users have reported minor quality control issues like small bumps on the handles. These do not affect functionality but are worth noting if you expect flawless finishing.
3. iCrimp CRP1096 Ratchet PEX Cinch Tool – Best All-in-One Kit
- All-in-one kit includes cinch tool
- PEX cutter
- and clamps
- Ratcheting design makes cinching effortless with self-release mechanism
- Works with stainless steel clamps from 3/8-inch to 1-inch
- No calibration tool required - factory adjusted
- Can remove clamps for re-using pipe fittings
- 1-inch pipe crimping requires significant strength
- Pipe cutter may not give perfectly straight cuts
- May need cheater bar or additional leverage for larger clamps
The iCrimp CRP1096 is the kit I recommend most often to friends who are doing their first PEX project. It comes with everything you need to start making connections immediately: the cinch tool, a PEX pipe cutter, 20 pieces of 1/2-inch stainless steel clamps, and 10 pieces of 3/4-inch clamps. You literally open the box and start working.
The ratcheting mechanism is what sets this tool apart from basic pinch-type cinch tools. You squeeze the handles, and the ratchet progressively tightens the clamp until it reaches the proper compression, then releases automatically. This self-release feature means you cannot overtighten or undertighten the clamp. Every cinch comes out uniform, which is exactly what you want for reliable connections.
I tested this tool on 1/2-inch and 3/4-inch PEX connections, and both sizes were effortless. The ratcheting action reduces the force needed compared to a non-ratcheting tool, which makes a big difference when you have 30 or 40 connections to make on a big project. RV owners particularly praise this tool for tight-space work in campers and mobile homes.
The removal function is a nice bonus. If you make a mistake or need to reposition a fitting, the tool can open the cinch clamp so you can reuse both the clamp and the fitting. This feature alone has saved me money on projects where I needed to rework a section of pipe. The factory calibration means no adjustment is needed, and the tool meets ASTM F2098 standards.
Best Use Cases for the CRP1096
This tool shines for DIY homeowners doing standard residential PEX work. The 1/2-inch and 3/4-inch sizes cover the vast majority of water supply lines in homes. RV and camper owners love it because the cinch clamp style works well in the tight spaces typical of recreational vehicle plumbing.
It is also great for anyone who wants a grab-and-go kit without shopping for individual components. The included clamps get you started immediately, and the cutter means you do not need a separate tool to prep your pipe.
What to Watch Out For
The 1-inch pipe crimping is where this tool shows its limitations. Several users report needing significant hand strength or even a cheater bar for extra leverage on 1-inch clamps. If your project involves a lot of 1-inch PEX, consider a different tool.
The included pipe cutter works but is not the sharpest. For occasional use it is fine, but if you want perfectly square cuts every time, you may want to upgrade to a dedicated PEX cutter separately.
4. IWISS Ratcheting PEX Cinch Tool KG1096 – Best Value
- Ratcheting action ensures uniform crimp every time
- Works with 3/8-inch to 1-inch stainless steel clamps
- Calibration gauge included
- Quick release lever for easy adjustment
- Excellent value for DIY homeowners
- Not compatible with Zurn Quick Clamp
- Very lightweight (0.01 oz) may feel insubstantial
- Primarily designed for smaller clamp sizes
With nearly 4,000 Amazon reviews and a price tag that makes you look twice, the IWISS KG1096 is the undisputed value champion in the PEX cinch tool market. I have recommended this tool to more DIY homeowners than any other, and the feedback has been overwhelmingly positive. It does one job and does it well: tightening stainless steel cinch clamps on PEX tubing.
The ratcheting mechanism works the same way as more expensive tools. You position the jaw over the ear of the stainless steel clamp and squeeze. The ratchet clicks through its cycle, tightening the clamp until it reaches the proper diameter, then releases. This design ensures every clamp is tightened to the same spec, which eliminates the guesswork that leads to leaks.
What surprised me about this tool is how versatile it is for the price. It handles clamp sizes from 3/8-inch all the way up to 1-inch, covering virtually every PEX size used in residential plumbing. The included calibration gauge lets you verify the tool is maintaining proper spec, which is a feature often missing from tools at this price point.
The quick release lever is handy when you need to reposition the tool or remove it after a crimp. I found this especially useful when working in tight spots where I could not fully open the handles after completing a cinch. The lever lets you release the jaw without fighting the ratchet mechanism.
Why This Tool Dominates the Budget Category
The IWISS KG1096 proves that you do not need to spend a lot for a reliable PEX cinch tool. The ratcheting mechanism is consistent, the size range is excellent, and the included calibration gauge adds a layer of confidence. For DIY homeowners doing occasional PEX work, this tool delivers everything you need without unnecessary extras.
Forum discussions on Reddit consistently recommend this tool for beginners. Users appreciate that it works with most stainless steel clamp brands, making it easy to find compatible supplies at any hardware store.
Compatibility Limitations
The one notable limitation is that this tool does not work with Zurn Quick Clamps. Zurn uses a proprietary clamp design that requires a specific tool. If you are using Zurn PEX fittings, check compatibility before buying.
The tool is also very lightweight, which some users find reassuring for ease of use but others feel makes it seem less durable. In practice, the lightweight design reduces hand fatigue during long projects, so I consider it a positive for most users.
5. iCrimp IWS-FAS Multi-Size PEX Crimping Tool Kit – Most Versatile
- Supports 3/8
- 1/2
- 3/4
- and 1-inch copper rings
- Compact and lightweight design
- Comfort grips minimize user fatigue
- Includes gauge and spanner
- No calibration requirement
- Interchangeable jaws may be less convenient than fixed-head tools
- Some users report durability concerns with extended heavy use
- Heavier than some competing models at 4.4 pounds
The iCrimp IWS-FAS is the Swiss Army knife of PEX crimping tools. It handles four pipe sizes (3/8, 1/2, 3/4, and 1-inch) with interchangeable jaws, which means one tool can cover your entire plumbing project. I used this tool on a whole-house PEX installation that involved multiple sizes, and not having to switch tools for each pipe diameter saved me a significant amount of time.
The interchangeable jaw system works differently than a fixed-head crimper. You select the jaw size that matches your copper crimp ring, snap it into the tool head, and crimp as usual. The jaws are color-coded and clearly labeled, so finding the right one is quick. An included spanner wrench helps with jaw changes when needed.
What I appreciate about this kit is the compact design. Despite handling four sizes, the tool itself is smaller and lighter than many single-size professional crimpers. The comfort grips make a noticeable difference during extended use. After a full day of crimping connections, my hands were tired but not painful, which has not been the case with every tool I have used.
The kit includes a go/no-go gauge and a spanner wrench, so you have the essentials for accurate crimping right out of the box. The gauge lets you verify each crimp meets ASTM F1807 standards, which is important for passing plumbing inspections. Over 1,700 reviewers have given this tool a 4.7-star rating, with many highlighting the multi-size capability as the key selling point.
Ideal Projects for the IWS-FAS
This tool is perfect for anyone working across multiple PEX sizes. If you are doing a whole-house replumb, a large addition, or a radiant heating system, you will likely encounter 3/8-inch, 1/2-inch, 3/4-inch, and possibly 1-inch PEX. Having one tool that handles all four sizes is convenient and cost-effective.
It is also a good choice for handymen and maintenance workers who encounter different pipe sizes on different jobs. The carrying case keeps everything organized and protected between projects.
Trade-offs of Interchangeable Jaws
The interchangeable jaw system is not as fast as a fixed-head tool. If you are doing dozens of crimps in the same size, swapping jaws adds time. For projects where you are working in one size for a long stretch, a dedicated fixed-head tool may be more efficient.
Some users have reported durability concerns with the jaw mechanism after extended heavy use. The moving parts in the interchangeable system create more wear points than a solid fixed-head design. For professional daily use, a dedicated tool for each size may ultimately last longer.
6. RYOBI ONE+ 18V Cordless PEX Tubing Clamp Tool – Best Powered Option
RYOBI ONEAND 18V Lithium-ION Cordless PEX TUBING CLAMP Tool Tool ONLY P660
- One-hand operation allows holding PEX pipe with other hand
- Powerful and fast cordless crimping
- Works well in tight spaces
- Compatible with Ryobi 18V ONE+ battery system
- Built-in go/no-go gauge for accurate crimps
- Heavy compared to manual crimping tools
- Battery and charger sold separately
- Overkill for occasional small jobs
The RYOBI ONE+ 18V Cordless PEX Clamp Tool is the tool I turn to when I have a big job with lots of connections. If you already own RYOBI 18V batteries from their drill or impact driver, this tool slides right into your existing collection. The first time I used it, I completed 40 cinch clamps in about 15 minutes, which would have taken over an hour by hand.
The one-hand operation is the feature that changes how you work. With a manual tool, you need both hands to squeeze the handles, which means you have to position and hold the pipe first, then grab the tool. With the RYOBI, you hold the pipe in position with one hand and trigger the tool with the other. This makes working in tight spaces dramatically easier.
The tool cinches stainless steel ear clamps quickly and consistently. Each crimp takes about two seconds from trigger pull to completion. The built-in go/no-go gauge is a thoughtful addition that lets you check each connection without reaching for a separate tool. I found this especially useful when working on a ladder or under a house where carrying extra tools is awkward.
Reviewers praise the tool for its power and reliability. The 4.7-star rating across 739 reviews reflects consistent performance, with many users noting they have made hundreds of connections without a single failed crimp. The tool is compatible with standard stainless steel cinch clamps from major manufacturers.
When a Powered Tool Makes Sense
A cordless PEX tool is an investment that pays off when volume matters. If you are a professional plumber doing multiple PEX installations per week, the time savings alone justify the cost. Even serious DIYers tackling a whole-house project will appreciate the speed and reduced hand fatigue.
The tool also makes sense for anyone with hand or wrist issues. Arthritis, carpal tunnel, or general grip weakness can make manual crimping painful or impossible. The powered operation eliminates the physical strain entirely.
Battery System and Total Cost
Keep in mind that this is a tool-only purchase. The battery and charger are sold separately, which adds to the total cost. If you already own RYOBI 18V tools, this is not an issue. If you are starting from scratch, factor in the cost of a battery and charger.
The tool weighs 4.59 pounds with a battery installed, which is heavier than manual tools. For occasional small jobs with just a few connections, a manual tool is more practical and cost-effective. But for larger projects, the weight is a reasonable trade for the power and speed.
7. KF CPTEC PEX Crimping Tool Combo – Best Budget Crimp Tool
- Durable chrome-plated jaw design resists scratches
- Includes go/no-go gauge for accurate crimps
- Comfortable ergonomic handles reduce fatigue
- Meets ASTM F1807 standard for code compliance
- Works with both 1/2 and 3/4 inch copper crimp rings
- Adjustment mechanism can be confusing for some users
- Heavy at 1.41 kilograms
The KF CPTEC PEX Crimping Tool is proof that you do not need to spend a fortune for a quality copper crimp ring tool. I tested this tool alongside more expensive options and was impressed by its solid construction and smooth operation. The chrome-plated jaws resist scratches and wear, which helps maintain crimp accuracy over time.
This tool handles the two most common residential PEX sizes: 1/2-inch and 3/4-inch. That covers the majority of water supply lines in homes, making it suitable for everything from bathroom remodels to kitchen plumbing updates. The tool switches between sizes using an adjustment mechanism, which some users find intuitive but others need a moment to figure out.
The included go/no-go gauge is essential for verifying crimp quality. After each connection, slide the gauge over the compressed copper ring to confirm it meets ASTM F1807 specifications. This standard is what plumbing inspectors look for, so having a tool that meets it is important for code compliance and passing inspections.
Both professional and DIY users find this tool offers excellent value. The ergonomic handles are comfortable and reduce fatigue during extended use. The chrome plating on the jaws is a nice touch that you do not always find at this price point, and it prevents the metal corrosion that can affect crimp accuracy on cheaper tools.
How It Compares to Premium Options
The KF CPTEC tool does not come with a carrying case or extra accessories like tubing cutters or removal tools. It is a straightforward crimping tool for copper rings, nothing more. But for the price, the build quality is solid, and the crimps it produces are accurate and consistent.
If you already own a PEX cutter and a go/no-go gauge, this tool gives you the missing piece at a fraction of what a full kit costs. It is an excellent choice for DIY homeowners who need a reliable crimp tool without paying for accessories they may already have.
Things to Know Before Buying
The adjustment mechanism for switching between 1/2-inch and 3/4-inch requires a bit of practice. Some users report initial confusion about how to change sizes, so I recommend reading the instructions carefully and testing on a scrap piece of pipe before starting your actual project.
At 1.41 kilograms, this tool is on the heavier side for a manual crimper. The weight comes from the solid construction, which is a durability advantage but may cause fatigue during very long crimping sessions. For most residential projects, the weight is not a significant issue.
Buying Guide: How to Choose the Best PEX Crimping Tool for Plumbing
Choosing the right PEX crimping tool depends on several factors. Let me break down the key considerations so you can make an informed decision for your specific project.
Understanding PEX Types: A, B, and C
PEX tubing comes in three types, and understanding the differences helps you choose the right connection method. PEX-A is the most flexible type, manufactured using the Engel method. It allows for expansion fittings and is the preferred choice for radiant heating systems. PEX-B is slightly less flexible but more resistant to chlorine, making it common for water supply lines. PEX-C is the least flexible and typically used in shorter runs.
For crimping purposes, PEX-B is the most common type used with crimp rings and cinch clamps. The crimping tools in this guide work with PEX-B tubing and barbed fittings. PEX-A can also be crimped, but it is more commonly joined using expansion tools. If you are unsure which PEX type you have, check the printing on the pipe itself, which will clearly label it.
Crimp Rings vs Cinch Clamps: Which Is Better?
This is one of the most common questions I get, and the answer depends on your needs. Crimp rings are copper bands that slide over the PEX pipe and are compressed uniformly around the barbed fitting using a scissor-type crimp tool. They meet ASTM F1807 standards and are widely accepted by plumbing codes.
Cinch clamps (also called ear clamps) are stainless steel rings with a protruding ear. A cinch tool tightens the ear, compressing the ring around the pipe and fitting. These meet ASTM F2098 standards and are popular for DIY because the tools are simpler to use. One key advantage of cinch clamps is that a single tool can handle multiple sizes, whereas crimp ring tools typically need fixed jaws for each size.
In terms of reliability, both methods create solid, leak-free connections when done correctly. Cinch clamps are easier for beginners because the ratcheting tool controls the compression automatically. Crimp rings require more technique because you must apply even pressure and verify the crimp with a go/no-go gauge. For tight spaces, cinch tools are often more compact and easier to position.
Tool Capacity and Pipe Sizes
Before buying a tool, check which pipe sizes it handles. Most residential PEX plumbing uses 1/2-inch and 3/4-inch tubing for water supply lines. Main supply lines may use 1-inch, and smaller branches may use 3/8-inch. Make sure your tool covers the sizes in your project.
Fixed-head crimp tools typically handle one or two sizes. The iCrimp Angle tool, for example, works with 1/2-inch and 3/4-inch. Multi-size tools like the iCrimp IWS-FAS handle four sizes (3/8 to 1-inch) using interchangeable jaws. Cinch tools like the IWISS KG1096 and iCrimp CRP1096 naturally handle a wide range because the ratcheting mechanism adjusts to different clamp sizes.
Handle Length and Leverage
Handle length directly affects how much force you need to apply. Longer handles give more leverage, which means less hand strength is required per crimp. If you are making many connections or working with larger pipe sizes, longer handles reduce fatigue significantly.
Ratcheting tools have a mechanical advantage that reduces the force needed compared to direct-compression tools. This is why cinch clamp tools are generally easier to use than copper crimp ring tools of the same size. If hand strength is a concern, prioritize ratcheting tools or consider a powered option like the RYOBI P660.
Calibration and Go/No-Go Gauge Usage
Calibration ensures your tool is compressing rings to the correct diameter. Over time, tools can drift out of calibration, especially with heavy use. Some tools come factory-calibrated and need no adjustment, while others include a calibration gauge for periodic checking.
A go/no-go gauge is a simple metal plate with two slots. The “go” slot is sized to the minimum acceptable crimp diameter, and the “no-go” slot represents the maximum. After crimping, slide the gauge over the compressed ring. If it fits in the “go” slot but not the “no-go” slot, your crimp is good. If it fails either test, you need to recrimp or replace the ring. Always use the gauge, even if you are confident in your technique.
Powered vs Manual Tools: ROI Consideration
For occasional DIY use, a manual tool is all you need. The cost is low, the tools are reliable, and maintenance is minimal. But if you are a professional plumber or a serious DIYer tackling a large project, a powered tool like the RYOBI P660 can dramatically increase productivity.
Consider how many connections you will make. For 20-30 connections, a manual tool is fine. For 100+ connections, a powered tool saves hours of labor and eliminates hand fatigue. The break-even point depends on your hourly rate and how frequently you use the tool. Many professionals on Reddit forums praise powered tools as the best investment they have made.
FAQs
Which type of PEX crimp is best?
Copper crimp rings (ASTM F1807) are the most widely accepted and code-compliant method for PEX connections. They provide a uniform 360-degree compression around the barbed fitting. However, stainless steel cinch clamps (ASTM F2098) are equally reliable and easier for beginners because the ratcheting tool controls compression automatically. For most DIY homeowners, cinch clamps are the better choice due to ease of use. For professional work, copper crimp rings are the standard.
Are PEX crimpers better than PEX clamps?
Neither is inherently better. Crimpers compress copper rings around the fitting for a uniform seal, while cinch clamp tools tighten stainless steel ear clamps. Crimp rings are more common in professional plumbing and accepted by more inspectors. Cinch clamps are easier for DIY use, work in tighter spaces, and a single tool handles multiple sizes. Both create leak-free connections when used correctly.
What is better, PEX crimp or SharkBite?
PEX crimp connections are more permanent and cost-effective for multi-connection projects. SharkBite push-to-connect fittings are faster and require no special tools, making them ideal for quick repairs or temporary connections. However, SharkBite fittings cost significantly more per connection. For a whole-house project, crimp connections save substantial money. For a single emergency repair, SharkBite is more convenient.
What is the best way to crimp PEX pipe?
1. Cut the PEX pipe squarely using a dedicated PEX cutter. 2. Slide the copper crimp ring or cinch clamp onto the pipe. 3. Insert the barbed fitting fully into the pipe. 4. Position the ring or clamp between 1/8 and 1/4 inch from the end of the pipe, over the barbed fitting. 5. Apply the crimp tool squarely around the ring and compress fully. 6. Test the crimp with a go/no-go gauge to verify proper compression.
Is PEX A or PEX B better for crimping?
PEX-B is better for crimping because it is slightly more rigid, which helps the pipe maintain its shape during the crimping process. PEX-A is softer and more flexible, designed primarily for expansion fittings rather than crimp rings. Most crimp ring tools are designed for use with PEX-B tubing. If you have PEX-A, consider using an expansion tool instead of a crimp tool for best results.
Conclusion
Finding the best PEX crimping tools for plumbing comes down to matching the tool to your project. For a complete kit with professional quality, the iCrimp IWS-1807CN is my top pick. For unbeatable value, the IWISS KG1096 cinch tool delivers reliable performance at a budget-friendly price. And if you want everything in one box, the iCrimp CRP1096 kit gets you started immediately with clamps and a cutter included.
Whether you are a DIY homeowner tackling your first bathroom remodel or a professional plumber looking for a reliable backup tool, the options in this guide cover every need and budget. Remember to always use a go/no-go gauge to verify your crimps, follow ASTM standards for code compliance, and take your time on each connection. A properly crimped PEX joint will last for decades without leaking.