No. 4 Drive Sockets | McMaster-Carr

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	Individual/Set Individual/Set

Individual

Set

	For Drive Style For Drive Style


Phillips	Pozidriv®	Tri- Groove

	Socket Type Socket Type

	Socket

	Socket Shape Socket Shape

	Tri-Groove

	System of Measurement System of Measurement

Inch

	Square Drive Size Square Drive Size

1/4"

3/8"

1/2"

	Bolt Clearance Style Bolt Clearance Style

	Standard

	Socket Style Socket Style


Standard	Bit

	Size Size	Show

No. 4

	Size Size	Hide

	Number of Pieces Number of Pieces

	Drive Type Drive Type

Manual

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

DFARS Specialty Metals
COTS-Exempt

	Finish Finish

Black Oxide

Chrome Plated

	Material Material

Steel

	For Screw Size For Screw Size

No. 4

No. 6

	OD OD

31/64"

	For Screw Head Style For Screw Head Style

Standard

Countersunk

	For Screw Head Diameter For Screw Head Diameter

0.13"

0.268"

	Overall Length Overall Length

	Bit Replaceable Bit Replaceable

Yes

	For Fastener Type For Fastener Type

Screws

	Tip Style Tip Style

	Standard

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

RoHS Compliant

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

REACH Compliant

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7 Products

Tri-Groove Sockets

Square Drive

Grip the indentations around the outside of tri-groove fasteners. These sockets are for hand-driven use only.

1/4" Square Drive
Size	Overall Lg.	OD	For Fastener Type	For Screw Size (Head Dia.)	Material	Finish		Each
No. 4	1"	31/64"	Screws	No. 4 Standard (0.13") No. 6 Countersunk (0.268")	Steel	Black Oxide	0000000	000000

Phillips Bit Sockets

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

Sockets						Replacement Bits
Size	Overall Lg.	Material	Bit Replaceable		Each		Each
1/4" Square Drive
No. 4	1 1/8"	Chrome-Plated Steel	No	00000000	000000	000000	00
3/8" Square Drive
No. 4	2 1/16"	Chrome-Plated Steel	Yes	00000000	00000	00000000	00000
1/2" Square Drive
No. 4	2 3/16"	Chrome-Plated Steel	No	00000000	00000	000000	00

Pozidriv® Bit Sockets

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

1/2" Square Drive
Size	Overall Lg.	Material	Bit Replaceable	Specifications Met		Each
No. 4	2 3/8"	Chrome-Plated Steel	No	ISO 1174, ISO 8764-1	00000000	000000

Tri-Groove Socket Sets

Grip the indentations around the outside of tri-groove fasteners.

1/4" Square Drive—Steel
No. of Pieces	Components Included	Includes	Finish		Each
4	3 Sockets 1 Drive Tool	Standard Socket: No. 4 (For No. 4 Standard Screws and No. 6 Countersunk Screws) Standard Socket: No. 6 (For Nos. 6 and 8 Standard Screws and Nos. 8 and 10 Countersunk Screws) Standard Socket: No. 10 (For Nos. 10, 12, and 1/4" Standard Screws; 1/4" Countersunk Screws; and Nos. 6 and 8 Nuts) 8" Long Socket Screwdiver Handle	Black Oxide	0000000	000000