5⁄16" Nutdrivers | McMaster-Carr

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System of Measurement

Drive Size

Drive Style

External 12-Point

External Square

Tamper-Resistant Torx

Grip Style

Sold As

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"

Handle Color

Driver Style

Bolt Clearance

1 9/16" to 3 1/8"

Material

Aluminum Bronze

Stainless Steel

Shank Type

Quick-Change Hex

Shaft Length

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"

Fastener-Holding Mechanism

Spring-Loaded Ball

Bolt Clearance Type

Finish

Manganese Phosphate Coated

Phosphate Coated

Titanium Aluminum Nitride (TiAlN) Coated

Titanium Nitride (TiN) Coated

Thread Size

4-40 to 5/16"-32

Color

Number of Pieces

Square Drive Size

Handle Material

Stainless Steel

RoHS

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

REACH

DFARS Specialty Metals

Export Control Classification Number (ECCN)

How can we improve?

225 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

Socket Wrenches

Socket Wrenches

Apply torque to turn nuts, bolts, and other fasteners without rounding the heads

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.)