7/8" Crowfeet | McMaster-Carr

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	System of Measurement System of Measurement

Inch

	Size Size	Show

7/8"

	Size Size	Hide

	Square Drive Size Square Drive Size

3/8"

	Individual/Set Individual/Set

Individual

Set

	Number of Pieces Number of Pieces

	For Drive Style For Drive Style


External Hex	External Square	External 12-Point

	Offset Socket Style Offset Socket Style


Open End	Box

	Material Material

Steel

	Finish Finish

Chrome Plated

	Wrench Opening Shape Wrench Opening Shape

	Container Type Container Type

Metal Clip Rail

Metal Bar

	Thickness Thickness

	Overall Length Overall Length

1 7/8"

3 1/16"

	Center-to-Center Length Center-to-Center Length

7/8"

15/16"

1 1/16"

	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

	RoHS (Restriction of Hazardous Substances) RoHS (Restriction of Hazardous Substances)

RoHS Compliant

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7 Products

Tight-Clearance Offset Sockets

Often used with an extension, these sockets turn fasteners and fittings in obstructed areas that a regular socket can't reach. They are also known as crowfoot wrenches.

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

3/8" Square Drive
Wrench Opening Shape	Size	Overall Lg.	Thick.	Center-to-Center Lg.	Material		Each
Rounded	7/8"	2"	9/32"	1 1/16"	Chrome-Plated Steel	0000000	000000

Secure-Grip Tight-Clearance Offset Sockets

12-Point Secure Grip

Hex Secure Grip

The opening makes more contact with fasteners for a better grip than standard open-end sockets. Also known as flare-nut or line wrench sockets, they're often used with flared tube fittings and fuel and hydraulic lines.

Hex secure-grip sockets achieve the best possible grip on hex fasteners and prevent rounding.

12-point secure-grip sockets quickly position on hex fasteners.

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

3/8" Square Drive
Size	Overall Lg.	Thick.	Center-to-Center Lg.	Material		Each
7/8"	1 7/8"	3/4"	15/16"	Chrome-Plated Steel	0000000	000000
7/8"	2"	9/16"	7/8"	Chrome-Plated Steel	0000000	00000

Box-End Tight-Clearance Offset Sockets

Make maximum contact on all sides of a fastener to reduce slipping. Often used with an extension, these sockets turn fasteners and fittings in obstructed areas that regular sockets can't reach. They are also known as torque adapters.

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

3/8" Square Drive
Size	Overall Lg.	Thick.	Center-to-Center Lg.	Material		Each
7/8"	3 1/16"	33/64"	2"	Chrome-Plated Steel	00000000	000000

Tight-Clearance Offset Socket Sets

Often used with an extension, these sockets turn fasteners and fittings in obstructed areas that a regular socket can't reach. They are also known as crowfoot wrenches.

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

3/8" Square Drive
Wrench Opening Shape	No. of Pieces	Includes	Material		Each
Rounded	10	Sockets: 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4", 13/16", 7/8", 1"	Chrome-Plated Steel	0000000	0000000

Box-End Tight-Clearance Offset Socket Sets

Make maximum contact on all sides of a hex fastener to reduce slipping. Often used with an extension, these sockets turn fasteners and fittings in obstructed areas that regular sockets can't reach. They are also known as torque adapters.

3/8" Square Drive
No. of Pieces	Includes	Material		Each
9	Offset Sockets: 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4", 13/16", 7/8"	Chrome-Plated Steel	00000000	0000000

Secure-Grip Tight-Clearance Offset Socket Sets

12-Point Secure Grip

12-point secure-grip sockets quickly position on hex fasteners.

3/8" Square Drive
No. of Pieces	Includes	Material		Each
8	Offset Sockets: 5/8", 11/16", 3/4", 13/16", 7/8", 15/16", 1", 1 1/16"	Chrome-Plated Steel	0000000	0000000