Box-End Sockets | McMaster-Carr

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Drive Size

Wrench Opening Shape

Drive Style

External 12-Point

External Square

Wrench Style

Head Style

System of Measurement

Sold As

Overall Length

4 1/4" to 6 3/4"

4 1/4" to 9 1/8"

4 1/4" to 18 1/2"

Ratcheting

Head Thickness

Material

Stainless Steel

Finish

Number of Heads

Wrench Type

DFARS Specialty Metals

RoHS

Export Control Classification Number (ECCN)

REACH

For Use With

Screws and Nuts

Head Offset Angle

Number of Pieces

Container Type

Fabric Roll-Up Pouch

Plastic Roll-Up Pouch

Specifications Met

Fed. Spec. GGG-W-001405

Turn Required to Ratchet

Appearance

Maximum Torque

Less than 500 in·lbf

500 in·lbf to 999 in·lbf

1,000 in·lbf to 1,999 in·lbf

2,000 in·lbf to 2,999 in·lbf

3,000 in·lbf or greater

How can we improve?

436 Products

Fastening and Joining

Wrench Heads

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

Box Wrenches

Grip all sides of a fastener to prevent slipping

Torque Wrenches

Torque Wrenches

Avoid overtightening and damaging fasteners by applying a specific torque

Tank Wrenches

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

Ratchet Wrenches

Ratchet Wrenches

Adjust fasteners in tight spaces without removing and repositioning the wrench

Drum Plug Wrenches

Drum Plug Wrenches

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

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