Box Sockets | McMaster-Carr

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System of Measurement

Drive Size

Wrench Opening Shape

Wrench Style

Head Style

Drive Style

External 12-Point

External Square

Overall Length

4 1/4" to 6 3/4"

4 1/4" to 9 1/8"

4 1/4" to 18 1/2"

4 1/2" to 6 7/8"

4 1/2" to 8 1/8"

4 1/2" to 9 1/4"

Ratcheting

Sold As

Material

Stainless Steel

Wrench Type

Head Thickness

Head Offset Angle

Finish

Length

4 1/4" to 6 3/4"

4 1/4" to 9 1/8"

4 1/4" to 18 1/2"

4 1/2" to 6 7/8"

4 1/2" to 8 1/8"

4 1/2" to 9 1/4"

Number of Heads

Export Control Classification Number (ECCN)

REACH

RoHS

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

For Use With

Screws and Nuts

DFARS Specialty Metals

Appearance

For Drum Plug Material

Performance

Changeable Head

Electrically Insulating

Turn Required to Ratchet

How can we improve?

421 Products

Box Wrenches

Deep-Offset Box Wrenches

Deep-Offset Box Wrenches

Heads up to a 75° angle reach over obstructions

Box Wrenches

Grip square- and hex-shaped fasteners

Striking Box Wrenches

Striking Box Wrenches

Strike the handle with a hammer to break stuck fasteners free

Ratcheting Box Wrenches

Ratcheting Box Wrenches

Turn fasteners in tight spaces without removing and repositioning the tool

Two-Head Ratcheting Box Wrenches

Two-Head Ratcheting Box Wrenches

Turn fasteners of two different sizes in tight spaces without repositioning

Deep-Offset Striking Box Wrenches

Deep-Offset Striking Box Wrenches

Reach over obstructions and strike with a hammer to loosen fasteners

Two-Head Box Wrenches

Two-Head Box Wrenches

Switch between two different-sized fasteners without swapping out your wrench

Deep-Offset High-Leverage Box Wrenches

Deep-Offset High-Leverage Box Wrenches

The 45° head and long handle reach around obstacles to far away fasteners

High-Leverage Box Wrenches

High-Leverage Box Wrenches

The long handle extends your reach for more leverage than standard wrenches

Two-Head Deep-Offset Ratcheting Box Wrenches

Two-Head Deep-Offset Ratcheting Box Wrenches

Access hard-to-reach fasteners of two different sizes with extra clearance

Box Wrench Sets

Box Wrench Sets

Grip square- and hex-shaped fasteners

Ratcheting Box Wrench Sets

Ratcheting Box Wrench Sets

Turn fasteners in tight spaces without removing and repositioning the tool

Long-Reach Ratcheting Box Wrenches

Long-Reach Ratcheting Box Wrenches

Access hard-to-reach fasteners and turn them with extra leverage

Deep-Offset Ratcheting Box Wrenches

Deep-Offset Ratcheting Box Wrenches

Access hard-to-reach fasteners with extra clearance

Snap-Open Ratcheting Box Wrench Sets

Snap-Open Ratcheting Box Wrench Sets

Jaws open to fit around a fastener, then close to ratchet like a socket tool

Tapered-Handle Box Wrenches

Tapered-Handle Box Wrenches

Line up holes to insert bolts, then flip the wrench around to tighten

Deep-Offset Box Wrench Sets

Deep-Offset Box Wrench Sets

Heads up to a 75° angle reach over obstructions

Curved Box Wrenches

Curved Box Wrenches

Reach around obstacles and into machinery

Nonsparking Striking Box Wrenches

Nonsparking Striking Box Wrenches

Made of Factory Mutual approved materials that won't spark when hit with a hammer

Deep-Offset Ratcheting Box Wrench Sets

Deep-Offset Ratcheting Box Wrench Sets

Access hard-to-reach fasteners with extra clearance

Electrically Insulating Ratcheting Box Wrenches

Electrically Insulating Ratcheting Box Wrenches

An insulated handle protects against shocks from contact with live circuits

Nonsparking Box Wrenches

Nonsparking Box Wrenches

Made of Factory Mutual approved materials to inhibit sparking

Other Products

Drum Plug Wrenches

Drum Plug Wrenches

Install and remove screw-in drum plugs; also known as bung wrenches

Wrench Heads

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

Tank Wrenches

Turn valve stems, regulator inlet nuts, and caps on welding tanks

Torque Wrenches

Torque Wrenches

Avoid overtightening and damaging fasteners by applying a specific torque

Backup Wrenches

Backup Wrenches

Pair with a head and handle to create a wrench that keeps nuts from turning as you tighten bolts

Ratchet Wrenches

Ratchet Wrenches

Adjust fasteners in tight spaces without removing and repositioning the wrench

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