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Bison
Precision Forged Steel Self-Centering Scroll Chucks |
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| Chucks Size |
 3-Jaw 2 Piece Jaws Plain Back (Model 3505) |
 3-Jaw Solid Jaws Plain Back (Model 3504) |
3-Jaw 2 Piece Jaws A Mount (Model 3515) |
3-jaw 2 Piece Jaws D mount (Model 3865) |
 4-jaw 2 Piece Jaws Plain Back (Model 3705) |
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| Chuck Number | Chuck Number | Chuck Number | Spindle Mount | Chuck Number | Spindle Mount | Chuck Number | |
| 4 Inch | NA | 7-829-0400 | NA | NA | NA | NA | NA |
| 5 Inch | 7-820-0500 | 7-829-0500 | NA | NA | NA | NA | NA |
| 6 1/4" Inch | 7-820-0600 | 7-829-0600 | 7-821-0615 | A1-5 |
7-823-0633 7-823-0634 7-823-0635 |
D1-3 D1-4 D1-5 |
7-841-0600 |
| 8" Inch | 7-820-0800 | 7-829-0800 |
7-821-0815 7-821-0816 |
A1-5 A1-6 |
7-823-0835 7-823-0836 |
D1-5 D1-6 |
7-841-0800 |
| 10" Inch | 7-820-1000 | 7-829-1000 |
7-821-1016 7-821-1018 |
A1-6 A1-8 |
7-823-1036 7-823-1038 |
D1-6 D1-8 |
7-841-1000 |
| 12 1/2" Inch | 7-820-1200 | 7-829-1200 |
7-821-1226 7-821-1228 |
A2-6 A1-8 |
7-823-1236 7-823-1238 7-823-1239 |
D1-6 D1-8 D1-11 |
NA |
| 16" Inch | 7-820-1600 | NA |
7-821-1628 7-821-1629 |
A2-8 A1-11 |
7-823-1638 7-823-1639 |
D1-8 D1-11 |
7-841-1600 |
| 20 Inch | 7-820-2000 | NA |
7-821-2028 7-821-2029 |
A2-8 A2-11 |
7-823-2038 7-823-2039 |
D1-8 D1-11 |
NA |
| 25 Inch | 7-820-2500 | NA |
7-821-2529 7-821-2530 |
A2-11 A2-15 |
7-823-2539 | D1-11 | 7-841-2500 |