5/16" Wrenches | McMaster-Carr

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System of Measurement

Drive Size

Wrench Style

Wrench Opening Shape

12-Point Sure Grip

Head Style

Drive Style

Drilled Spanner

External 12-Point

External Spline

External Square

Tamper-Resistant Hex

Tamper-Resistant Torx

Sold As

Overall Length

1 5/16" to 4 11/16"

1 5/16" to 6 15/16"

1 1/2" to 1 7/8"

1 1/2" to 2 1/4"

Number of Pieces

Ratcheting

Finish

Phosphate Coated

Titanium Aluminum Nitride (TiAlN) Coated

Titanium Nitride (TiN) Coated

Zinc Flake Coated

Material

Aluminum Bronze

Beryllium Copper

Stainless Steel

Container Type

Canvas Roll-Up Pouch

Compartmented Metal Box

Compartmented Plastic Box

Fabric Roll-Up Pouch

Metal Clip Rail

Plastic Clip Rail

Plastic Organizer

Plastic Roll-Up Pouch

Head Thickness

Relative Length

Square Drive Size

Length

1 5/16" to 4 11/16"

1 5/16" to 6 15/16"

1 1/2" to 1 7/8"

1 1/2" to 2 1/4"

Grade

Appearance

Number of Heads

Tip Style

Performance

Changeable Head

Corrosion Resistant

Drop Prevention

Electrically Insulating

High Visibility

Reversible Ratcheting

RoHS

REACH

DFARS Specialty Metals

Export Control Classification Number (ECCN)

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404 Products

Fastening and Joining

Combination Wrenches

Combination Wrenches

Use the open end when tightening in cramped spaces and the box end when you need extra grip

Open-End Wrenches

Open-End Wrenches

Tighten and loosen fasteners from the top or the side

Box Wrenches

Grip all sides of a fastener to prevent slipping

Sockets

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

Bit Sockets

Turn fasteners with an internal 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

Shut-Off Valve Wrenches

Shut-Off Valve Wrenches

Turn hard-to-reach valves on gas lines, faucets, toilets, and sinks

Socket Wrenches

Socket Wrenches

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

Torque Wrenches

Torque Wrenches

Avoid overtightening and damaging fasteners by applying a specific torque

Socket Bits

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

L-Keys

Turn fasteners from either end and reach into tight spots

T-Handle Keys

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

Screwdrivers

Tighten and loosen screws

Screwdriver/Nutdrivers

Screwdriver/Nutdrivers

Quickly switch between driving screws and driving nuts

Screwdriver Bits

Screwdriver Bits

Pair with drivers to turn screws

Driver Shafts

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

Impact Drivers

More powerful than drills to drive screws through dense material and loosen stuck fasteners

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