Description
- 3-jaw self-centering lathe chuck
- 4″ (100 mm) diameter
- Includes chuck key, inside and outside jaws and mounting bolts
- Includes an adapter to mount on a 3″ (80 mm) flange
- High quality steel, hardened and ground
4″ 3-Jaw self-centering lathe chuck with adapter for the mini lathe. Includes chuck key, inside and outside jaws, and mounting bolts.
The chuck can hold work up to 3.15″ (80 mm) in diameter and comes with an adapter for the mini lathe so that you can bolt it on in place of a 3″ (80 mm) chuck. This 4″ 3-jaw lathe chuck has a 0.87″ (22 mm) through hole.
The radial runout of a test bar held in this chuck, when the chuck is mounted true, is 0.003″ maximum.
| Rated Capacity, Inside Jaws | 0.08″ – 1.18″ (2.0 mm – 30.0 mm) |
| Rated Capacity, Jamming Range | 1.18″ – 3.54″ (30.0 mm – 90.0 mm) |
| Rated Capacity, Outside Jaws | 1.18″ – 3.15″ (30.0 mm – 80.0 mm) |
| Practical Maximum Capacity, Inside Jaws | 1.60″ (40.6 mm) |
| Practical Maximum Capacity, Outside Jaws | 3.75″ (95.2 mm) |
| Runout (Max) | ≤ 0.003″ (0.08 mm) |
| Diameter, Overall | 3.94″ (100.0 mm) |
| Registration Recess Diameter | 2.83″ (72.0 mm) |
| Registration Recess Depth | 0.14″ (3.5 mm) |
| Bolt Circle Diameter | 3.31″ (84.0 mm) |
| Center Hole Diameter | 0.87″ (22.0 mm) |
| Height | 2.17″ (55.0 mm) |
| Jaw Height Above Face | 0.79″ (20.0 mm) |
| Height with Jaws | 2.95″ (75.0 mm) |
| Number and Size of Bolts | 3 M8 |
| Chuck Key | 0.31″ (8.0 mm) |
| Chuck Designation | K11-100 |






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