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| Shank Size (inches) |
Thread Size | Chuck Size (inches) |
Fits HS Sizes (inches) |
Cat. No. |
|---|---|---|---|---|
| 1/4 Round | 1/2-20 | 1/4 | 9/16 to 1-3/16 | 35-391 |
| 3/8 Hex | 1/2-20 | 3/8 | 9/16. to 1-3/16 | 35-392 |
| 7/16 Hex | 1/2-20 | 1/2 | 9/16 to 1-3/16 | 35-393 |
| 7/16 Hex | 5/8-18 | 1/2 | 1-1/4 to 6 | 35-394 |
| 7/16 Hex | 5/8-18 | 1/2 | 1-1/4 to 6 | 35-536 |
| 3/8 Hex | 5/8-18 | 3/8 | 1-1/4 to 6 | 35-537 |
| 7/16 Hex | 5/8-18 | 1/2 | 2 to 6 | 35-538 |
