Square Drive Bits | McMaster-Carr

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Square Drive Size

System of Measurement

Drive Size

Overall Length

15/16" to 1 1/8"

31/32" to 3 1/16"

Shank Type

Quick-Change Hex

Sold As

Tip Style

Socket Style

Socket Shape

Rounded 4-Point

Length

15/16" to 1 1/8"

31/32" to 3 1/16"

Driver Style

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

Spline Drive-to-Square Drive Adapter

Square Drive Size Adapter

Torque-and-Angle Measuring Adapter

Torque-Limiting Adapter

Bolt Clearance Type

Hex Shank Size

Drive Type

Number of Pieces

Screw Size

Finish

Magnesium Phosphate Coated

Manganese Phosphate Coated

Phosphate Coated

Titanium Aluminum Nitride (TiAlN) Coated

Titanium Nitride (TiN) Coated

Zinc Phosphate Coated

Material

Aluminum Bronze

Stainless Steel

Container Type

Fabric Roll-Up Pouch

Metal Clip Rail

Plastic Clip Rail

OD

RoHS

REACH

Export Control Classification Number (ECCN)

DFARS Specialty Metals

How can we improve?

3,712 Products

Fastening and Joining

Bit Sockets

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

Socket Adapters

Socket Adapters

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

Sockets

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

Socket Extensions

Socket Extensions

Lengthen sockets to turn hard-to-reach fasteners

Wrench Heads

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

Ratchet Wrenches

Ratchet Wrenches

Adjust fasteners in tight spaces without removing and repositioning the wrench

Ball Joint Sockets

Ball Joint Sockets

Install and remove ball joints in suspension and steering systems

Screwdriver Bits

Screwdriver Bits

Pair with drivers to turn screws

Screwdrivers

Tighten and loosen screws

Torque Screwdrivers

Torque Screwdrivers

Apply precise torque as you fasten screws to prevent overtightening

Torque Screwdriver Shafts

Torque Screwdriver Shafts

Pair with a handle to create a custom torque screwdriver

Bit Adapters

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

Screwdriver/Nutdrivers

Screwdriver/Nutdrivers

Quickly switch between driving screws and driving nuts

Screw, Pipe, and Stud Extractors

Screw, Pipe, and Stud Extractors

Remove broken screws, pipes, and studs without damaging the threads around them

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