Open End Sockets | McMaster-Carr

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System of Measurement

Drive Size

Wrench Opening Shape

12-Point Sure Grip

Wrench Style

Drive Style

External 12-Point

External Spline

External Square

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Bolt Clearance Type

Square Drive Size

Head Style

Ratcheting

Overall Length

Material

Stainless Steel

Socket Style

Length

Number of Pieces

OD

2 1/2" to 3 1/8"

3 1/8" to 3 7/8"

Finish

Container Type

Fabric Roll-Up Pouch

Metal Clip Rail

Plastic Clip Rail

Plastic Roll-Up Pouch

RoHS

Export Control Classification Number (ECCN)

REACH

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

DFARS Specialty Metals

Thickness

Center-to-Center Length

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355 Products

Fastening and Joining

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

Socket Wrenches

Socket Wrenches

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

Combination Wrenches

Combination Wrenches

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

Oil Filter Sockets

Oil Filter Sockets

Twist with a ratchet wrench to adjust filters and other round objects in tight spots

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