Metric Allen Sockets | McMaster-Carr

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System of Measurement

Square Drive Size

Drive Size

Drive Style

Tamper-Resistant Hex

Tamper-Resistant Torx

Overall Length

15/16" to 1 1/8"

1 1/2" to 1 3/4"

1 1/2" to 1 7/8"

Socket Style

Tip Style

Sold As

Drive Type

Socket Type

Air Hammer Adapter

Dual-Drive Socket Adapter

Finger-Tightening Adapter

Hex Head Adapter

Hex Shank-to-Square Drive Adapter

Quick-Change Adapter

Ratchet Adapter

Secure-Hold Extension

Secure-Hold Socket Adapter

Spline Drive-to-Square Drive Adapter

Square Drive Size Adapter

Torque-and-Angle Measuring Adapter

Torque-Limiting Adapter

Finish

Magnesium Phosphate Coated

Manganese Phosphate Coated

Titanium Aluminum Nitride (TiAlN) Coated

Titanium Nitride (TiN) Coated

Number of Pieces

Length

15/16" to 1 1/8"

1 1/2" to 1 3/4"

1 1/2" to 1 7/8"

Container Type

Metal Clip Rail

Plastic Clip Rail

Material

Aluminum Bronze

Bit Replaceable

RoHS

REACH

DFARS Specialty Metals

Export Control Classification Number (ECCN)

Shank Type

Quick-Change Hex

OD

Socket Retainer Style

Hex Shank Size

Color

Fluorescent Green

Square Drive Gender

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794 Products

Bit Sockets

Hex Bit Socket Sets

Hex Bit Socket Sets

Keep a full set of hex bits on hand in a variety of sizes

Hex Bit Sockets

Hex Bit Sockets

Turn to tighten or loosen common hex fasteners

Impact Hex Bit Sockets

Impact Hex Bit Sockets

Turn hex fasteners with the high torque and force of impact tools

Stubby Hex Bit Sockets

Stubby Hex Bit Sockets

Turn fasteners in spaces where height clearance is limited

Impact Hex Bit Socket Sets

Impact Hex Bit Socket Sets

A variety of hex bits that withstand the high torque of impact tools

Long-Reach Hex Bit Sockets

Long-Reach Hex Bit Sockets

Access to hard-to-reach fasteners with these extra-long bits

Maintenance Bit Socket Sets

Maintenance Bit Socket Sets

Keep a convenient variety of drive styles and bit sizes on hand

Stubby Hex Bit Socket Sets

Stubby Hex Bit Socket Sets

Access fasteners in tight spaces with a full assortment of short bits

Long-Reach Hex Bit Socket Sets

Long-Reach Hex Bit Socket Sets

Turn to tighten or loosen hard-to-reach hex fasteners of different sizes

Long-Reach Ball-End Hex Bit Sockets

Long-Reach Ball-End Hex Bit Sockets

Extra-long bits with ball ends for angled entry

Dual-Drive Hex Bit Socket Sets

Dual-Drive Hex Bit Socket Sets

Turn the hex-shaped bases with a wrench for extra leverage or when space is tight

Stubby Impact Hex Bit Sockets

Stubby Impact Hex Bit Sockets

Fit into tight spaces to turn hex fasteners using an impact tool

Tamper-Resistant Hex Bit Socket Sets

Tamper-Resistant Hex Bit Socket Sets

Tighten or loosen tamper-resistant hex fasteners with security pins

Long-Reach Impact Hex Bit Socket Sets

Long-Reach Impact Hex Bit Socket Sets

Access tough, hard-to-reach fasteners with a full set of extra-long bits

Ball-End Hex Bit Socket Sets

Ball-End Hex Bit Socket Sets

Turn hex fasteners in a variety of sizes without needing perfect alignment

Long-Reach Ball-End Hex Bit Socket Sets

Long-Reach Ball-End Hex Bit Socket Sets

Tighten or loosen hard-to-reach hex fasteners at slight angles

Ball-End Hex Bit Sockets

Ball-End Hex Bit Sockets

The ball end swivels to compensate for slight misalignment with the fastener

Dual-Drive Hex Bit Sockets

Dual-Drive Hex Bit Sockets

Tighten with a square-drive tool then turn with a wrench for extra leverage

Flex Hex Bit Sockets

Flex Hex Bit Sockets

Tighten and loosen fasteners at an angle by pivoting the head

Long-Reach Impact Hex Bit Sockets

Long-Reach Impact Hex Bit Sockets

Access hard-to-reach hex fasteners and turn them using an impact tool

Flex Hex Bit Socket Sets

Flex Hex Bit Socket Sets

Pivot the sockets in these sets to access fasteners from an angle

Tamper-Resistant Hex Bit Sockets

Tamper-Resistant Hex Bit Sockets

Tighten or loosen tamper-resistant hex fasteners that have security pins

Other Products

Socket Adapters

Socket Adapters

Make your socket more versatile, from converting the drive to limiting torque

Socket Extensions

Socket Extensions

Lengthen sockets to turn hard-to-reach fasteners

Socket Retaining Rings

Socket Retaining Rings

Secure sockets and adapters to impact tools

Socket Organizers

Socket Organizers

Arrange sockets at your workstation or carry them neatly around your facility

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