Bison Front Mount Semi-Steel
& Forged Steel Self-Centering Scroll Chucks
3-Jaw & 4-Jaw Front Mount Chucks - Plain
Back
| Chucks Size |
 3-Jaw 2 Piece Jaws Plain Back Semi-Steel (Model 3275 |
 3-Jaw Solid Jaws Plain Back Semi-Steel (Model 3274) |
3-Jaw 2 Piece Jaws Plain Back Forged Steel (Model 3575) |
 4-jaw 2 Piece Jaws Plain Back Semi-Steel (Model 3675) |
| Chuck Number | Chuck Number | Chuck Number | Chuck Number | |
| 4 Inch | NA | 7-811-0400 | NA | NA |
| 5 Inch | 7-812-0500 | 7-811-0500 | 7-813-0500 | 7-814-0500 |
| 6 1/4" Inch | 7-812-0600 | 7-811-0600 | 7-813-0600 | 7-814-0600 |
| 8" Inch | 7-812-0800 | 7-811-0800 | 7-813-0800 | 7-814-0800 |
| 10" Inch | 7-812-1000 | 7-811-1000 | 7-813-1000 | 7-814-1000 |
| 12 1/2" Inch | 7-812-1200 | 7-811-1200 | 7-813-1200 | 7-814-1200 |
| 16" Inch | 7-812-1600 | NA | 7-813-1600 | 7-814-1600 |
| 20 Inch | NA | NA | NA | NA |
| 25 Inch | NA | NA | NA | NA |