1/2" Square Drive Ratchets | McMaster-Carr

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System of Measurement

Square Drive Size

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Overall Length

15/16" to 1 1/8"

31/32" to 3 1/16"

1 1/2" to 2 1/4"

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Magnesium Phosphate Coated

Phosphate Coated

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Turn Required to Ratchet

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Socket Type

Air Hammer Adapter

Finger-Tightening Adapter

Hex Head Adapter

Hex Shank-to-Square Drive Adapter

Quick-Change Adapter

Ratchet Adapter

Secure-Hold Extension

Secure-Hold Socket Adapter

Square Drive Size Adapter

Torque-and-Angle Measuring Adapter

Torque-Limiting Adapter

Maximum Torque

Export Control Classification Number (ECCN)

DFARS Specialty Metals

RoHS

REACH

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1,282 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

Torque Wrenches

Torque Wrenches

Avoid overtightening and damaging fasteners by applying a specific torque

Wrench Handles

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

Socket Adapters

Socket Adapters

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

Bit Sockets

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

Socket Extensions

Socket Extensions

Lengthen sockets to turn hard-to-reach fasteners

Drum Plug Wrenches

Drum Plug Wrenches

Install and remove screw-in drum plugs; also known as bung wrenches

Impact Wrenches

Impact Wrenches

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

Wrench Heads

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

Socket Retaining Rings

Socket Retaining Rings

Secure sockets and adapters to impact tools

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.)