Description
- 3-jaw self centering lathe chuck
- 4″ (100 mm) diameter
- Includes chuck key, inside and outside jaws
- Plain back mounting
- High quality steel, hardened and ground
This 4 inch 3-Jaw self-centering lathe chuck includes a chuck key, inside and outside jaws, and mounting bolts.
This chuck has a 0.87″ (22 mm) through hole. The chuck can hold work up to 3.15″ (80 mm) in diameter.
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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