5⁄16" Nutdrivers | McMaster-Carr

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Drive Size

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External 12-Point

External Square

Tamper-Resistant Torx

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Overall Length

1 3/8" to 1 5/8"

1 1/2" to 1 7/8"

1 1/2" to 2 1/4"

System of Measurement

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Handle Color

Bolt Clearance

1 9/16" to 3 1/8"

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Quick-Change Hex

Fastener-Holding Mechanism

Spring-Loaded Ball

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Container Type

Fabric Roll-Up Pouch

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Phosphate Coated

Titanium Aluminum Nitride (TiAlN) Coated

Titanium Nitride (TiN) Coated

Square Drive Size

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Aluminum Bronze

Stainless Steel

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REACH

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DFARS Specialty Metals

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229 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

Screwdriver/Nutdrivers

Screwdriver/Nutdrivers

Quickly switch between driving screws and driving nuts

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

Socket Wrenches

Socket Wrenches

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

Wrench Heads

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

Torque Wrenches

Torque Wrenches

Avoid overtightening and damaging fasteners by applying a specific torque

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