8 mm Wrenches | McMaster-Carr

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System of Measurement

Drive Size

Wrench Style

Wrench Opening Shape

12-Point Sure Grip

Sold As

Head Style

Number of Pieces

Ratcheting

Drive Style

Drilled Spanner

External 12-Point

External Spline

External Square

Hex with Pilot Recess

Tamper-Resistant Hex

Tamper-Resistant Torx

Overall Length

1 5/16" to 4 3/4"

1 5/16" to 6 13/16"

Relative Length

Material

Aluminum Bronze

Beryllium Copper

Stainless Steel

Finish

Magnesium Phosphate Coated

Phosphate Coated

Titanium Aluminum Nitride (TiAlN) Coated

Titanium Nitride (TiN) Coated

Container Type

Compartmented Plastic Box

Fabric Roll-Up Pouch

Metal Clip Rail

Plastic Clip Rail

Plastic Roll-Up Pouch

Appearance

Wrench Type

Square Drive Size

Grade

Head Thickness

Tip Style

Length

1 5/16" to 4 3/4"

1 5/16" to 6 13/16"

Performance

Changeable Head

Corrosion Resistant

Drop Prevention

Electrically Insulating

Reversible Ratcheting

Tight Clearance

RoHS

REACH

Export Control Classification Number (ECCN)

DFARS Specialty Metals

How can we improve?

328 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

Wrench Heads

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

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

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

Screwdriver Bits

Screwdriver Bits

Pair with drivers to turn screws

Screwdrivers

Tighten and loosen 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.)