Claw Couplings | McMaster-Carr

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Compliant with Exemptions

Maximum Vacuum @ Temperature

22 in. Hg @ 72° F

29 in. Hg @ 72° F

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U.S.–Mexico–Canada Agreement (USMCA) Qualifying

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Compatible With

145 Products

About Measuring Fittings

Measure the threaded ends of your fittings to identify their pipe size, thread size, schedule, and thread type. Then, find compatible components.

Hose Fittings

Twist-Claw Hose Couplings for Air and Water

Couplings have an identical claw-style head that connects to another twist-claw hose coupling with a quarter twist.

Spring-Lock Twist-Claw Hose
Couplings for Air and Water

Couplings have a spring-loaded locking sleeve that automatically locks into place to prevent accidental disconnection. The identical claw-style head connects to another spring-lock twist-claw hose coupling with a quarter twist.

Large Twist-Claw Hose Couplings for Air and Water

Also known as Chicago and universal couplings, these have identical claw-style heads and connect by being pushed together with a quarter twist.

Extra-Large Twist-Claw Hose
Couplings for Air and Water

Couplings are only compatible with other extra-large twist-claw hose couplings. Use with tools and equipment up to 2 pipe size.

Double Grip-Lock Hose Couplings for Air and Water

Also known as Thor couplings, these have two locking points to give you twice the gripping power of standard grip-lock couplings. They consist of a plug and a socket that connect with a quarter twist.

Grip-Lock Hose Couplings for Air

These couplings have a lower profile than other claw-style couplings to fit in cramped spaces. They consist of a plug and a socket that connect with a quarter twist. Also known as Bowes couplings.

Twist-Claw Hose Couplings for Dry Abrasive Material

Use these fittings with sand, steel shot, and other abrasive material. Fittings have a unique claw-style head that connects to other abrasive-material hose fittings with a quarter twist.