7⁄8 Inch Sockets | McMaster-Carr

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3 3/4" to 5 1/4"

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Aluminum Bronze

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Phosphate Coated

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12-Point Sure Grip

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209 Products

Sockets

Sockets

6-Point Sockets

6-Point Sockets

Get the tightest grip possible on hex fasteners to prevent rounding their points

Universal-Fit Sockets

Universal-Fit Sockets

Turn multiple shapes and sizes of fasteners with a single socket

12-Point Sockets

12-Point Sockets

Grip hex fasteners quickly

Extra-Deep 6-Point Sockets

Extra-Deep 6-Point Sockets

Double the clearance of standard sockets to access nuts on extra-long bolts

8-Point Sockets

8-Point Sockets

Quickly position these sockets on square and external 8-point fasteners

Spanner Sockets

Spanner Sockets

Pins grip the slotted sides on bearing nuts for easy tightening and loosening

Nonsparking 6-Point Sockets

Nonsparking 6-Point Sockets

Made of aluminum bronze, so they won't create sparks in hazardous environments

Electrically Insulating 12-Point Sockets

Electrically Insulating 12-Point Sockets

Tested to 1,000 volts for protection against accidental contact with live electrical circuits

Impact Socket Sets

4-Point Impact Socket Sets

4-Point Impact Socket Sets

Grip square fasteners more tightly than 8-point sockets to reduce slips and chips

Nonmarring 6-Point Impact Socket Sets

Nonmarring 6-Point Impact Socket Sets

Tighten or loosen nuts and bolts without damaging the finish

6-Point Impact Socket Sets

6-Point Impact Socket Sets

The hex shape grips hex fasteners and prevents rounding

Reversible 6-Point Impact Socket Sets

Reversible 6-Point Impact Socket Sets

Turn 10 fastener sizes with these five sockets

6-Point Flex Impact Socket Sets

6-Point Flex Impact Socket Sets

Pivot the head to access fasteners from an angle

Dual-Size 12-Point Impact Socket Sets

Dual-Size 12-Point Impact Socket Sets

Use one socket to switch between two fastener sizes

Socket Sets

6-Point Socket Sets

6-Point Socket Sets

These tools handle the toughest industrial applications

12-Point Socket Sets

12-Point Socket Sets

12 points quickly grip hex fasteners in the toughest industrial applications

Economy 12-Point Socket Sets

Economy 12-Point Socket Sets

Suitable for occasional maintenance work, these are imported; 12 points quickly grip hex fasteners

8-Point Socket Sets

8-Point Socket Sets

Grab onto square-drive screws and nuts more quickly than with 4-point sockets

Economy 6-Point Socket Sets

Economy 6-Point Socket Sets

Suitable for occasional maintenance work, these sets are imported

Nonsparking 6-Point Socket Sets

Nonsparking 6-Point Socket Sets

Made of aluminum bronze, so these sets won't create sparks in hazardous environments

Impact Sockets

6-Point Impact Sockets

6-Point Impact Sockets

Achieve the tightest grip on hex fasteners and prevent rounding

8-Point Impact Sockets

8-Point Impact Sockets

Quickly position on square fasteners

Thin-Wall 6-Point Impact Sockets

Thin-Wall 6-Point Impact Sockets

Fit these sockets in between tightly spaced fasteners

12-Point Impact Sockets

12-Point Impact Sockets

The 12-point shape quickly grips hex fasteners

Fastener-Holding 6-Point Impact Sockets

Fastener-Holding 6-Point Impact Sockets

A magnet holds fasteners securely enough to drive self-tapping screws

6-Point Flex Impact Sockets

6-Point Flex Impact Sockets

Pivot the head on these sockets to access hex fasteners from an angle

6-Point Impact Sockets with Spline Drive

6-Point Impact Sockets with Spline Drive

Typically used where high torque is required, attach them to your spline-drive impact wrench

Spark Plug Sockets

Spark Plug Sockets

Spark Plug Sockets

A rubber insert grips the plug to prevent damage

Other Products

Bit Sockets

Turn fasteners with an internal 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

Impact Wrenches

Impact Wrenches

Maximize torque to break frozen bolts free and drive fasteners more quickly than other wrenches

Socket Wrenches

Socket Wrenches

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

Socket Head Screws

Socket Head Screws

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

Torque Wrench Heads

Torque Wrench Heads

Pair with torque-limiting handles to create a custom torque wrench

Shoulder Screws

Shoulder Screws

Rotate parts around the cylinder under the head to guide and align them during installation

Flat Head Screws

Flat Head Screws

Fit in countersunk holes for a flush finish that won't snag on surrounding parts

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