1/2" Square Drive Ratchet Wrenches | McMaster-Carr

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System of Measurement

Square Drive Size

Drive Size

Overall Length

15/16" to 1 1/8"

31/32" to 3 1/16"

1 1/2" to 2 1/4"

1 9/16" to 2 1/2"

Head Style

Bolt Clearance Type

Finish

Magnesium Phosphate Coated

Manganese Phosphate Coated

Phosphate Coated

Head Shape

Socket Shape

Length

15/16" to 1 1/8"

31/32" to 3 1/16"

1 1/2" to 2 1/4"

1 9/16" to 2 1/2"

Material

Beryllium Copper

Stainless Steel

Wrench Style

Drive Style

External 8-Point

External 12-Point

External Pentagon

External Square

External Torx Plus

Tamper-Resistant Torx

Sold As

OD

Turn Required to Ratchet

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

Ratcheting

Drive Type

Socket Style

Socket Retainer Style

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

RoHS

REACH

Export Control Classification Number (ECCN)

DFARS Specialty Metals

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1,331 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

Impact Wrenches

Impact Wrenches

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

Socket Adapters

Socket Adapters

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

Wrench Handles

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

Torque Wrenches

Torque Wrenches

Avoid overtightening and damaging fasteners by applying a specific torque

Torque Wrench Heads

Torque Wrench Heads

Pair with torque-limiting handles to create a custom torque wrench

Wrench Heads

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

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

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

Safety Equipment

Hot Stick Heads

Hot Stick Heads

Swap out the head on your hot stick to operate switches, pull cotter pins, and more

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