3/8" Square Drive Ratchet Wrenches | McMaster-Carr

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1,097 Products

Fastening and Joining

Ratchet Wrenches

Ratchet Wrenches

Adjust fasteners in tight spaces without removing and repositioning the wrench

Sockets

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

Bit Sockets

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

Torque Wrenches

Torque Wrenches

Avoid overtightening and damaging fasteners by applying a specific torque

Open-End Wrenches

Open-End Wrenches

Tighten and loosen fasteners from the top or the side

Socket Adapters

Socket Adapters

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

Impact Wrenches

Impact Wrenches

Maximize torque to break frozen bolts free and drive fasteners more quickly than other wrenches

Wrench Handles

Generate extra torque to loosen stubborn fasteners; also known as breaker bars

Oil Filter Sockets

Oil Filter Sockets

Twist with a ratchet wrench to adjust filters and other round objects in tight spots

Socket Extensions

Socket Extensions

Lengthen sockets to turn hard-to-reach fasteners

Socket Drivers

Tighten and loosen sockets from above when there isn't room to swing a standard wrench

Speeder Handles

Speeder Handles

Crank the handle to fasten nuts and bolts quickly

Bit Adapters

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

Impact Drivers

More powerful than drills to drive screws through dense material and loosen stuck fasteners

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)