2.5 mm Drive Sockets | McMaster-Carr

	REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration, Evaluation, Authorization and Restriction of Chemicals)

REACH Compliant

	DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense Acquisition Regulations Supplement)

DFARS Specialty Metals
COTS-Exempt

	Maximum Access Angle Maximum Access Angle

25°

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16 Products

Hex Bit Sockets

For technical drawings and 3-D models, click on a part number.

1/4" Square Drive
Size	Overall Lg.	Material	Bit Replaceable		Each
2.5 mm	1 7/8"	Chrome-Plated Steel	No	0000000	00000
3/8" Square Drive
2.5 mm	1 5/8"	Chrome-Plated Steel	Yes	00000000	0000

Extended-Reach Hex Bit Sockets

Extra-long bits allow access to hard-to-reach fasteners.

For technical drawings and 3-D models, click on a part number.

1/4" Square Drive
Size	Overall Lg.	Material	Bit Replaceable		Each
2.5 mm	6"	Chrome-Plated Steel	No	0000000	00000

Stubby Hex Bit Sockets

The short bit on these sockets fits in spaces where height clearance is limited.

For technical drawings and 3-D models, click on a part number.

Sockets						Replacement Bits
Size	Overall Lg.	Material	Bit Replaceable		Each		Each
3/8" Square Drive
2.5 mm	1 7/8"	Chrome-Plated Steel	Yes	0000000	000000	00000000	00000

Ball-End Hex Bit Sockets

The ball end allows angled entry when you don't have exact alignment between the socket bit and fastener.

For technical drawings and 3-D models, click on a part number.

Sockets							Replacement Bits
Size	Overall Lg.	Max. Access Angle	Material	Bit Replaceable		Each		Each
1/4" Square Drive
2.5 mm	2"	25°	Chrome-Plated Steel	Yes	0000000	00000	0000000	00000

Tamper-Resistant Hex Bit Sockets

These sockets are also known as pin-in-hex or pin-in-socket bits.

For technical drawings and 3-D models, click on a part number.

Sockets						Replacement Bits
Size	Overall Lg.	Material	Bit Replaceable		Each		Each
3/8" Square Drive
2.5 mm	1 3/4"	Chrome-Plated Steel	Yes	0000000	00000	0000000	00000

Impact Hex Bit Sockets

These sockets are made to withstand the high torque and force of impact tools.

For technical drawings and 3-D models, click on a part number.

Sockets							Replacement Bits
Size	Overall Lg.	Material	Finish	Bit Replaceable		Each		Each
3/8" Square Drive
2.5 mm	2"	Steel	Black Oxide	Yes	00000000	000000	00000000	00000

Hex Bit Socket Sets

Metal Clip Rail

Hex

For technical drawings and 3-D models, click on a part number.

1/4" Square Drive—Chrome-Plated Steel
No. of Pieces	Includes	Overall Lg.	Container Type		Each
6	Bit Sockets: 2 mm, 2.5 mm, 3 mm, 4 mm, 5 mm, 6 mm (1 7/8" O'all Lg.)	1 7/8"	Metal Clip Rail	0000000	000000

Ball-End Hex Bit Socket Sets

The ball end allows angled entry when you don't have exact alignment between the socket bit and fastener.

For technical drawings and 3-D models, click on a part number.

1/4" Square Drive
No. of Pieces	Includes	Overall Lg.	Max. Access Angle	Material		Each
7	Bit Sockets: 1.5 mm, 2 mm, 2.5 mm, 3 mm, 4 mm, 5 mm, 6 mm (2" O'all Lg.)	2"	25°	Chrome-Plated Steel	0000000	000000

Tamper-Resistant Hex Bit Socket Sets

These sockets are also known as pin-in-hex or pin-in-socket bits.

For technical drawings and 3-D models, click on a part number.

3/8" Square Drive
No. of Pieces	Includes	Overall Lg.	Material		Each
7	Bit Sockets: 2 mm, 2.5 mm, 3 mm, 4 mm, 5 mm, 6 mm, 8 mm (1 5/8" O'all Lg.)	1 3/4"	Chrome-Plated Steel	0000000	000000

Impact Hex Bit Socket Sets

Plastic Case

Use these sockets as an alternative to a screwdriver or L-key. They are made to withstand the high torque and force of impact tools.

1/4" Square Drive—Black-Oxide Steel
No. of Pieces	Includes	Overall Lg.	Container Type		Each
14	Bit Sockets (Inch): 1/8", 5/32", 3/16", 7/32", 1/4", 5/16", 3/8" (1 3/8" O'all Lg.) Bit Sockets (Metric): 2 mm, 2.5 mm, 3 mm, 5 mm, 6 mm, 7mm, 10 mm (1 3/8 O'all Lg.)	1 3/8"	Plastic Case	0000000	0000000
3/8" Square Drive—Black-Oxide Steel
9	Bit Sockets: 2 mm, 2.5 mm, 3 mm, 4 mm, 5 mm, 6 mm, 7 mm, 8 mm, 10 mm (2" O'all Lg.)	2"	Metal Clip Rail	0000000	000000