| Bison Chuck |
| Bison Chucks are high precision scroll chucks which are well suited to work which requires close tolerances. The Bison Chucks come with two sets of jaws, inside and outside. The inside jaws are installed when the chuck is shipped. With the use of spindle nose adaptors, some Bison Chucks can be used with more lathes than are listed below. An adjustment wrench and a mounting wrench are supplied with each Bison Chuck. |
| Description |
| A= Bore diameter of chuck |
| B= Outer diaeter of faceplate |
| C= Diameter of chuck base |
| D= Length of chuck |
K= Distance from end of spindle to face of the faceplate |
| Capacity (all chucks) | Inside Jaws | Outside Jaws |
| 1.83mm to 60mm | 0mm to 114mm | |
| 5/64" to 2-3/8" | 0" to 4-1/2" |
| Bison Chuck Part Numbers and Specifications | ||||||
| Chuck Model | F | U | HA | HJ/EJ | EE | EA, K |
| Chuck Number | 90009-01 | 90009-02 | 90009-03 | 90009-04 | 90009-05 | 90009-06 |
| A | 32mm | 32mm | 32mm | 32mm | 32mm | 32mm |
| 1-1/4" | 1-1/4" | 1-1/4" | 1-1/4" | 1-1/4" | 1-1/4" | |
| B | 81mm | 138mm | 138mm | 190mm | 184mm | 272mm |
| 3-3/16" | 5-7/16" | 5-7/16" | 7-1/2" | 7-1/4" | 10-32/4" | |
| C | 101mm | 101mm | 101mm | 101mm | 101mm | 101mm |
| 4" | 4" | 4" | 4" | 4" | 4" | |
| D | 62mm | 52mm | 52mm | 55mm | 56mm | |
| 2-7/16" | 2-1/16" | 2-1/16" | 2-3/16" | 2-1/4" | ||
| X | 13.65mm | 10.16mm | 19.05mm | 15.01mm | 14.10mm | 13.34mm |
| .5375" | .400" | .750" | .591" | .555" | .525" | |
| Faceplate Mounting Screws and Wrenches | ||||||
| Lathe Model | F | U | HA | HJ/EJ | EE | EA,K |
| Mounting Screw | 7146 | 7148 | 7147 | 7147 | 7145 | 71456 |
| Wrench | 52045-187 | 52045-187 | 52045-187 | 52045-187 | 52045-250 | 52045-250 |
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