1⁄4 Inch Nutdrivers | McMaster-Carr

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System of Measurement

Drive Size

Drive Style

External 12-Point

External Square

Tamper-Resistant Hex

Tamper-Resistant Torx

Overall Length

1 3/8" to 1 5/8"

1 1/2" to 1 7/8"

1 1/2" to 2 1/4"

1 5/8" to 1 7/8"

1 5/8" to 2 5/8"

Sold As

Grip Style

Driver Style

Square Drive Size

Bolt Clearance

1 9/16" to 3 1/8"

Shank Type

Quick-Change Hex

Tip Style

Length

1 3/8" to 1 5/8"

1 1/2" to 1 7/8"

1 1/2" to 2 1/4"

1 5/8" to 1 7/8"

1 5/8" to 2 5/8"

Handle Color

Material

Aluminum Bronze

Stainless Steel

Socket Style

Fastener-Holding Mechanism

Spring-Loaded Ball

Number of Pieces

Socket Shape

Bolt Clearance Type

Finish

Manganese Phosphate Coated

Titanium Aluminum Nitride (TiAlN) Coated

Titanium Nitride (TiN) Coated

Thread Size

4-40 to 5/16"-32

RoHS

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

REACH

DFARS Specialty Metals

Export Control Classification Number (ECCN)

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212 Products

Fastening and Joining

Nutdrivers

Tighten and loosen nuts and bolts

Nutdriver Bits

Pair with nutdrivers to turn hex nuts and cap screws

Nut Starters

Begin turning nuts in hard-to-reach spots

Screwdrivers

Tighten and loosen screws

L-Key Handles

Comfort with every turn—these upgrade your L-keys into T-handle keys

Bit Sockets

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

Sockets

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

Box Wrenches

Grip all sides of a fastener to prevent slipping

Wrench Heads

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

Torque Wrench Heads

Torque Wrench Heads

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

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