7 Millimeter Sockets | McMaster-Carr

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System of Measurement

Square Drive Size

Drive Size

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External 12-Point

External Square

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Tip Style

Number of Pieces

Overall Length

1 1/2" to 1 3/4"

1 1/2" to 1 7/8"

1 11/16" to 1 7/8"

Socket Type

Container Type

Metal Clip Rail

Plastic Clip Rail

Finish

Magnesium Phosphate Coated

Titanium Aluminum Nitride (TiAlN) Coated

Titanium Nitride (TiN) Coated

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Length

1 1/2" to 1 3/4"

1 1/2" to 1 7/8"

1 11/16" to 1 7/8"

Thread Size

Material

Aluminum Bronze

Stainless Steel

OD

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Sockets with Drive Tools

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Quick-Change Hex

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

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DFARS Specialty Metals

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How can we improve?

146 Products

Fastening and Joining

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

Wrench Heads

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

Socket Bits

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

Impact Drivers

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

Nutdriver Bits

Pair with nutdrivers to turn hex nuts and cap screws

Nutdrivers

Tighten and loosen nuts and bolts

Socket Head Screws

Socket Head Screws

With a deeper drive than flat and rounded head screws, these withstand more torque for a tighter hold

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