Elgin Fastener Group industrial fasteners and headed fasteners feature various drive tool sizes and models. Full engineering data on all drive tool sizes is below.
| ScrewSize | Phillips Bit Size | Slotted Bit Size | Torx Bit Size | Socket Size | Hex Key Size |
| 0 | 0 | .050 | |||
| 1 | 0 | 1/16 | |||
| 2 | 1 | 00 | 1/8 | 5/64 | |
| 3 | 1 | 00-0 | 1/8 | 5/64 | |
| 4 | 1 | 0-1 | TX-10 | 3/16 | 3/32 |
| 6 | 2 | 1-2 | TX-15 | 1/4 | 7/64 |
| 8 | 2 | 2-3 | TX-20 | 1/4 | 9/64 |
| 10 | 3 | 3-4 | TX-25 | 5/16 | 5/32 |
| 12 | 3 | 3-4 | TX-27 | 5/16 | |
| 1/4 | 3 | 4-5 | TX-30 | 3/8 | 3/16 |
| 5/16 | 4 | 5-6 | TX-40 | 1/2 | 1/4 |
| 3/8 | 4 | 6/16 | 5/16 | ||
| 7/16 | 5/8 | 3/8 | |||
| 1/2 | 4 | 3/4 | 3/8 | ||
| 5/8 | 15/16 | 1/2 | |||
| 3/4 | 1 1/8 | 5/8 | |||
| 7/8 | 1 5/16 | 3/4 | |||
| 1 | 1 1/2 | 3/4 | |||
| 11/8 | 1 11/16 | 7/8 | |||
| 11/4 | 1 7/8 | 7/8 | |||
| 11/2 | 2 1/4 | 1 |