Best PEX Crimp Tools for Plumbers: Copper Rings and Stainless Clamps
IWISS IWS-1234W is the compact two-size copper-ring choice. SharkBite 23251 offers another 1/2- and 3/4-inch option; its 23100 and Apollo kits add interchangeable sizes. SharkBite 23081 belongs to the stainless-clamp method and is included as a separate system choice.
5 picks · 1 full reviewUS-focusedResearch-based recommendations
Product image: IWISS. Check the listing for included accessories.
Copper crimp rings, stainless cinch clamps and PEX-A expansion fittings use different tools. Confirm the approved tube, fitting and ring combination; these tools are not for press fittings on copper.
HOW TO CHOOSE
What matters for the work
Choose the connection system first
Start with the tubing and fitting manufacturer’s approved connection method. A copper-ring crimper and a stainless-clamp cincher are different tools. A kit that covers the right nominal sizes can still be wrong for the chosen system.
Access and size coverage
A dual-size tool is useful for repeated 1/2- and 3/4-inch service work. Interchangeable dies cover more sizes but require the correct installed die and space to close the handles. Check clearance before relying on a manual tool behind a fixture.
Gauges and adjustment
Follow the fitting and tool instructions for ring position, adjustment and the prescribed go/no-go check. Count the gauge and dies as part of the purchase; do not compare a complete kit with a bare tool as though the packages were identical.
We compared manufacturer specifications and documented features. We have not hands-on tested these products. Read our recommendation method →
Detailed picks
Useful differences, meaningful drawbacks and the specifications behind each recommendation.
OPTION 1
Product image: IWISS. Check the listing for included accessories.Two-size copper-ring service pick
Two-size copper-ring service pick
IWISS
IWS-1234W Angled PEX Crimp Tool
Best for: manual copper-ring work on 1/2- and 3/4-inch PEX.
IWISS IWS-1234W Angled PEX Crimp Tool earns consideration for manual copper-ring work on 1/2- and 3/4-inch PEX. Two common sizes in one tool. Angled head layout. The important distinction is the exact configuration and the work it can cover.
Choose this option when that job fit matches your recurring work. Do not buy it for stainless cinch clamps or PEX-A expansion. Compare the complete package, including accessories and any separately required power or viewing equipment, before deciding on value.
Product image: The Home Depot. Check the listing for included accessories.Alternative fixed two-size crimper
Alternative fixed two-size crimper
SharkBite
23251 Dual-Size PEX Crimp Tool
Best for: approved 1/2- and 3/4-inch copper-ring connections.
SharkBite 23251 Dual-Size PEX Crimp Tool earns consideration for approved 1/2- and 3/4-inch copper-ring connections. Dual-size jaws. Published system instructions. The important distinction is the exact configuration and the work it can cover.
Choose this option when that job fit matches your recurring work. Choose another size or method when this fixed pair does not fit. Compare the complete package, including accessories and any separately required power or viewing equipment, before deciding on value.
Product image: The Home Depot. Check the listing for included accessories.Interchangeable-size kit
Interchangeable-size kit
SharkBite
23100 Multi-Head PEX Crimp Tool Kit
Best for: buyers who need several nominal copper-ring sizes.
SharkBite 23100 Multi-Head PEX Crimp Tool Kit earns consideration for buyers who need several nominal copper-ring sizes. Broader size coverage. Kit format for gauge and heads. The important distinction is the exact configuration and the work it can cover.
Choose this option when that job fit matches your recurring work. Changing dies adds a setup step and does not solve restricted handle access. Compare the complete package, including accessories and any separately required power or viewing equipment, before deciding on value.
Product image: The Home Depot. Check the listing for included accessories.Stainless-clamp system option
Stainless-clamp system option
SharkBite
23081 PEX Clamp Tool
Best for: approved stainless PEX clamp connections.
SharkBite 23081 PEX Clamp Tool earns consideration for approved stainless PEX clamp connections. One clamp method across several sizes. Manufacturer adjustment guidance. The important distinction is the exact configuration and the work it can cover.
Choose this option when that job fit matches your recurring work. This does not crimp copper rings or expand tubing. Compare the complete package, including accessories and any separately required power or viewing equipment, before deciding on value.
Product image: The Home Depot. Check the listing for included accessories.Multi-size copper-ring kit
Multi-size copper-ring kit
Apollo
69PTKH0015K PEX Crimp Tool Kit
Best for: manual copper-ring jobs that justify interchangeable dies.
Apollo 69PTKH0015K PEX Crimp Tool Kit earns consideration for manual copper-ring jobs that justify interchangeable dies. Multiple-size kit. Manufacturer tool and gauge instructions. The important distinction is the exact configuration and the work it can cover.
Choose this option when that job fit matches your recurring work. Do not confuse this PEX-B crimp tool family with Apollo PEX-A expanders. Compare the complete package, including accessories and any separately required power or viewing equipment, before deciding on value.
No. A clamp tool closes the ear on an approved stainless clamp. A copper-ring crimper forms a different ring and typically uses a corresponding inspection gauge.
Do these expand PEX-A?
No. Expansion connections require an approved expander, heads and rings. See the separate PEX expansion guide.
Which sizes should a first service kit cover?
Choose from the jobs and system your employer actually uses. A 1/2- and 3/4-inch dual-size tool is useful for common residential work; other sizes need the appropriate dies or tool.
