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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
3/4" 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 | |
3/4" Square Drive | |||||
|---|---|---|---|---|---|
| 2 3/8" | 3 1/2" | 2 45/64" | Steel | 000000000 | 000000 |
| 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 |