7/16" Screwdrivers | McMaster-Carr

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System of Measurement

Drive Size

Drive Style

External 12-Point

External Square

Tamper-Resistant Torx

Thread Size

4-40 to 5/16"-32

Square Drive Size

Overall Length

15/16" to 1 1/8"

1 3/8" to 1 5/8"

1 5/8" to 2 5/8"

Material

Aluminum Bronze

Stainless Steel

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Driver Style

Bolt Clearance Type

Socket Style

Grip Style

Socket Shape

Tip Style

Container Type

Fabric Roll-Up Pouch

Metal Clip Rail

Plastic Clip Rail

Plastic Roll-Up Pouch

Length

15/16" to 1 1/8"

1 3/8" to 1 5/8"

1 5/8" to 2 5/8"

Color

Shank Type

Quick-Change Hex

Number of Pieces

Finish

Manganese Phosphate Coated

Phosphate Coated

Titanium Aluminum Nitride (TiAlN) Coated

Titanium Nitride (TiN) Coated

Socket Type

DFARS Specialty Metals

REACH

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

RoHS

Export Control Classification Number (ECCN)

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217 Products

Fastening and Joining

Nut Starters

Begin turning nuts in hard-to-reach spots

Nutdrivers

Tighten and loosen nuts and bolts

Screwdriver Bits

Screwdriver Bits

Pair with drivers to turn screws

Nutdriver Bits

Pair with nutdrivers to turn hex nuts and cap screws

L-Keys

Turn fasteners from either end and reach into tight spots

Screwdrivers

Tighten and loosen screws

T-Handle Keys

To turn fasteners in hard-to-reach spots, there's a long shaft and a grip for your whole hand

Driver Shafts

Attach to a handle to create your own driver tool, or pair with socket wrenches and power tools

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

Wrench Heads

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

Impact Wrenches

Impact Wrenches

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

Socket Bits

Switch out worn or damaged bits instead of replacing your entire bit socket

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.)