Box-End Wrench Adapters | McMaster-Carr

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How can we improve?

2,764 Products

Fastening and Joining

Socket Adapters

Make your socket more versatile, from converting the drive to limiting torque

210 products

Wrench Heads

Attach to your ratchet wrench and socket extension to turn fasteners where clearance is limited

134 products

Socket Extensions

Lengthen sockets to turn hard-to-reach fasteners

191 products

Sockets

Turn fasteners with an external drive style without slipping and damaging the drive

24 products

Socket Bits

Switch out worn or damaged bits instead of replacing your entire bit socket

37 products

Bit Adapters

Connect a variety of bits to drills, powered screwdrivers, ratchet wrenches, and other turning tools

22 products

Electrical Power, Networking, and Controlling

Conduit and Fittings

Protect wiring from impact and the environment in runs indoors, outdoors, and underground

645 products

Cord Grips

Securely connect cords to enclosures while sealing out dirt and moisture

1,174 products

Outlet Box Extenders

Add depth to an outlet box when there’s not enough space for components

50 products

Outlet Box Covers

Enclose wiring for outlets and switches or block off unused components

86 products

Electrical Enclosure Plugs

Block or seal holes in outlet boxes and enclosures to keep out debris, dust, and moisture

77 products

Raceway and Fittings

Route and guard wiring along surfaces in your facility

7 products

Wall Plates

Cover switches and outlets for a finished look or to close them off when not in use

114 products

Circuit Breaker Box Filler Plates

Conceal live electrical components in circuit breaker boxes to prevent injury and damage

2 products

Measuring and Inspecting

DIN Panel Adapters

Make a meter face sit flush with a DIN cutout in a panel or enclosure

3 products

Building and Machinery Hardware

Strut Channel Framing and Fittings

Secure fittings in the U-shaped channel to route conduit and pipe or build other structures

3 products