Double Square Bits
The tip is shaped like an eight-pointed star. Also known as insert bits, use these in hand drivers or with a bit adapter in power tools.
For technical drawings and 3-D models, click on a part number.
8-Point Sockets
1/2" Square
Drive Size
Quickly position these sockets on square and external 8-point fasteners.
3/4" square drive size sockets work with wheel bearing locknuts on trucks and trailers.
For technical drawings and 3-D models, click on a part number.
Drive Size | Overall Lg. | OD | Material | Each | |
1/4" Square Drive | |||||
---|---|---|---|---|---|
1/4" | 7/8" | 15/32" | Chrome-Plated Steel | 0000000 | 00000 |
5/16" | 7/8" | 9/16" | Chrome-Plated Steel | 0000000 | 0000 |
3/8" | 7/8" | 21/32" | Chrome-Plated Steel | 0000000 | 0000 |
3/8" Square Drive | |||||
1/4" | 1 1/8" | 5/8" | Chrome-Plated Steel | 0000000 | 0000 |
5/16" | 1 1/8" | 5/8" | Chrome-Plated Steel | 0000000 | 0000 |
3/8" | 1 1/8" | 5/8" | Chrome-Plated Steel | 0000000 | 0000 |
7/16" | 1 1/8" | 3/4" | Chrome-Plated Steel | 0000000 | 0000 |
1/2" | 1 1/8" | 13/16" | Chrome-Plated Steel | 0000000 | 0000 |
9/16" | 1 1/8" | 15/16" | Chrome-Plated Steel | 0000000 | 0000 |
5/8" | 1 1/8" | 1 1/16" | Chrome-Plated Steel | 0000000 | 0000 |
11/16" | 1 1/8" | 1 9/64" | Chrome-Plated Steel | 00000000 | 0000 |
3/4" | 1 1/8" | 1 13/64" | Chrome-Plated Steel | 00000000 | 0000 |
13/16" | 1 1/4" | 1 19/64" | Chrome-Plated Steel | 00000000 | 00000 |
7/8" | 1 5/16" | 1 3/8" | Chrome-Plated Steel | 00000000 | 00000 |
1/2" Square Drive | |||||
3/8" | 1 1/2" | 7/8" | Chrome-Plated Steel | 00000000 | 0000 |
7/16" | 1 1/2" | 7/8" | Chrome-Plated Steel | 0000000 | 0000 |
1/2" | 1 1/2" | 29/32" | Chrome-Plated Steel | 0000000 | 0000 |
9/16" | 1 1/2" | 31/32" | Chrome-Plated Steel | 0000000 | 0000 |
5/8" | 1 1/2" | 1 1/16" | Chrome-Plated Steel | 0000000 | 0000 |
11/16" | 1 1/2" | 1 3/16" | Chrome-Plated Steel | 0000000 | 00000 |
3/4" | 1 1/2" | 1 9/32" | Chrome-Plated Steel | 0000000 | 00000 |
13/16" | 1 5/8" | 1 7/16" | Chrome-Plated Steel | 0000000 | 00000 |
7/8" | 1 3/4" | 1 1/2" | Chrome-Plated Steel | 0000000 | 00000 |
15/16" | 1 13/16" | 1 5/8" | Chrome-Plated Steel | 0000000 | 00000 |
1" | 1 15/16" | 1 11/16" | Chrome-Plated Steel | 0000000 | 00000 |
1 1/16" | 1 15/16" | 1 3/4" | Chrome-Plated Steel | 0000000 | 00000 |
1 1/8" | 2" | 1 13/16" | Chrome-Plated Steel | 0000000 | 00000 |
1 1/4" | 2" | 2" | Chrome-Plated Steel | 0000000 | 00000 |
3/4" Square Drive | |||||
2 3/8" | 3 1/2" | 2 45/64" | Steel | 000000000 | 00000 |
2 9/16" | 3 1/2" | 2 59/64" | Steel | 000000000 | 00000 |
2 3/4" | 3 1/2" | 3 13/64" | Steel | 000000000 | 00000 |
2 7/8" | 3 1/2" | 3 9/32" | Steel | 000000000 | 00000 |
3" | 3 1/2" | 3 31/64" | Steel | 000000000 | 00000 |
3 1/8" | 3 1/2" | 3 39/64" | Steel | 000000000 | 00000 |
3 1/4" | 3 1/2" | 3 45/64" | Steel | 000000000 | 00000 |
3 1/2" | 3 1/2" | 3 63/64" | Steel | 000000000 | 00000 |
3 3/4" | 3 1/2" | 4 17/64" | Steel | 000000000 | 00000 |
3 7/8" | 3 1/2" | 4 27/64" | Steel | 000000000 | 00000 |
4 3/8" | 3 1/2" | 4 63/64" | Steel | 000000000 | 00000 |
4 1/2" | 3 1/2" | 5 1/8" | Steel | 000000000 | 00000 |
4 7/8" | 3 1/2" | 5 35/64" | Steel | 000000000 | 00000 |
94 mm | 3 1/2" | 4 7/32" | Steel | 000000000 | 00000 |
100 mm | 3 1/2" | 4 31/64" | Steel | 000000000 | 00000 |
8-Point Impact Sockets
Quickly position these sockets on square fasteners. They are made to withstand the high torque and force of impact tools.
3/4" square drive size sockets require a locking retainer. Use with an impact wrench that has a pin-style socket retainer, or use a socket retaining ring with tools that have a hole- or hole-and-ring style socket retainer.
For technical drawings and 3-D models, click on a part number.
Sockets | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|
Clearance Depth | Retaining Rings | |||||||||
Drive Size | Nut | Bolt | Compatible Retaining Ring ID | Material | Finish | Overall Lg. | Each | Each | ||
3/8" Square Drive | ||||||||||
1/4" | 1/4" | 1/2" | __ | Steel | Black Oxide | 1" | 0000000 | 00000 | 000000 | 00 |
5/16" | 9/32" | 1/2" | __ | Steel | Black Oxide | 1" | 00000000 | 0000 | 000000 | 00 |
3/8" | 5/16" | 1/2" | __ | Steel | Black Oxide | 1" | 0000000 | 0000 | 000000 | 00 |
7/16" | 21/64" | 1/2" | __ | Steel | Black Oxide | 1" | 0000000 | 00000 | 000000 | 00 |
1/2" | 3/8" | 9/16" | __ | Steel | Black Oxide | 1 1/16" | 0000000 | 00000 | 000000 | 00 |
9/16" | 9/16" | 5/8" | __ | Steel | Black Oxide | 1 1/8" | 0000000 | 00000 | 000000 | 00 |
1/2" Square Drive | ||||||||||
3/8" | 17/64" | 27/32" | __ | Steel | Black Oxide | 1 1/2" | 00000000 | 0000 | 000000 | 00 |
7/16" | 19/64" | 27/32" | __ | Steel | Black Oxide | 1 1/2" | 00000000 | 0000 | 000000 | 00 |
1/2" | 11/32" | 27/32" | __ | Steel | Black Oxide | 1 1/2" | 00000000 | 0000 | 000000 | 00 |
9/16" | 3/8" | 27/32" | __ | Steel | Black Oxide | 1 1/2" | 00000000 | 00000 | 000000 | 00 |
5/8" | 27/32" | 27/32" | __ | Steel | Black Oxide | 1 1/2" | 00000000 | 00000 | 000000 | 00 |
11/16" | 27/32" | 27/32" | __ | Steel | Black Oxide | 1 1/2" | 00000000 | 00000 | 000000 | 00 |
3/4" | 27/32" | 27/32" | __ | Steel | Black Oxide | 1 1/2" | 00000000 | 00000 | 000000 | 00 |
13/16" | 27/32" | 27/32" | __ | Steel | Black Oxide | 1 1/2" | 00000000 | 00000 | 000000 | 00 |
7/8" | 31/32" | 31/32" | __ | Steel | Black Oxide | 1 5/8" | 00000000 | 00000 | 000000 | 00 |
15/16" | 1 1/64" | 1 3/32" | __ | Steel | Black Oxide | 1 3/4" | 00000000 | 00000 | 000000 | 00 |
1" | 1 1/64" | 1 3/32" | __ | Steel | Black Oxide | 1 3/4" | 00000000 | 00000 | 000000 | 00 |
1 1/16" | 1 1/64" | 1 11/32" | __ | Steel | Black Oxide | 1 3/4" | 0000000 | 00000 | 000000 | 00 |
3/4" Square Drive | ||||||||||
7/8" | 35/64" | 1 1/32" | 1 5/8" | Steel | Black Oxide | 2" | 00000000 | 00000 | 0000000 | 00000 |
15/16" | 19/32" | 1 3/32" | 1 5/8" | Steel | Black Oxide | 2 1/16" | 00000000 | 00000 | 0000000 | 0000 |
1" | 5/8" | 1 5/32" | 1 5/8" | Steel | Black Oxide | 2 1/8" | 00000000 | 00000 | 0000000 | 0000 |
1 1/16" | 21/32" | 1 7/32" | 1 5/8" | Steel | Black Oxide | 2 3/16" | 00000000 | 00000 | 0000000 | 0000 |
1 1/8" | 45/64" | 1 15/64" | 1 5/8" | Steel | Black Oxide | 2 1/4" | 00000000 | 00000 | 0000000 | 0000 |
1 3/16" | 1 11/32" | 1 1/2" | 1 3/4" | Steel | Black Oxide | 2 1/2" | 0000000 | 00000 | 00000000 | 0000 |
1 1/4" | 3/4" | 1 13/32" | 1 5/8" | Steel | Black Oxide | 2 3/8" | 00000000 | 00000 | 0000000 | 0000 |
1 5/16" | 7/8" | 1 13/32" | 1 5/8" | Steel | Black Oxide | 2 3/8" | 0000000 | 00000 | 0000000 | 0000 |
1 7/16" | 1 1/2" | 1 1/2" | 1 3/4" | Steel | Black Oxide | 2 3/4" | 00000000 | 00000 | 00000000 | 0000 |
Clearance Depth | |||||||
---|---|---|---|---|---|---|---|
Drive Size | Nut | Bolt | Overall Lg. | Material | Finish | Each | |
1/2" Square Drive | |||||||
9/16" | 1/2" | 2 19/32" | 3 1/4" | Steel | Black Oxide | 00000000 | 000000 |
5/8" | 1/2" | 2 19/32" | 3 1/4" | Steel | Black Oxide | 00000000 | 00000 |
11/16" | 1 5/32" | 2 19/32" | 3 1/4" | Steel | Black Oxide | 00000000 | 00000 |
3/4" | 1 5/32" | 2 19/32" | 3 1/4" | Steel | Black Oxide | 00000000 | 00000 |
13/16" | 1 5/32" | 2 19/32" | 3 1/4" | Steel | Black Oxide | 00000000 | 00000 |
7/8" | 1 13/32" | 2 27/32" | 3 1/2" | Steel | Black Oxide | 00000000 | 00000 |
15/16" | 1 13/32" | 2 27/32" | 3 1/2" | Steel | Black Oxide | 00000000 | 00000 |
1" | 3/4" | 2 27/32" | 3 1/2" | Steel | Black Oxide | 00000000 | 00000 |
1 1/16" | 2 35/64" | 2 19/32" | 3 1/2" | Steel | Black Oxide | 00000000 | 00000 |
Extra-Deep 8-Point Impact Sockets
Extra length allows access to fasteners on long bolts. These sockets quickly position on square fasteners. They are made to withstand the high torque and force of impact tools
For technical drawings and 3-D models, click on a part number.
8-Point Socket Sets
Quickly position these sockets on square fasteners.