Description
- 4-jaw lathe chuck
- 3″ (80 mm) diameter
- Each jaw is independently adjustable and reversible
- Plain back mounting
- High quality steel, hardened and ground
This 4-jaw 3″ lathe chuck comes with a chuck key and reversible jaws.
This chuck has a 0.87″ (22 mm) through hole. It holds work up to 3.15″ (80 mm) in diameter.
| Rated Capacity, Inside Jaws | 0.20″ – 1.38″ (5.0 mm – 35.0 mm) |
| Rated Capacity, Outside Jaws | 1.38″ – 3.15″ (35.0 mm – 80.0 mm) |
| Practical Maximum Capacity, Inside Jaws | 2.00″ (50.8 mm) |
| Practical Maximum Capacity, Outside Jaws | 4.00″ (101.6 mm) |
| Diameter, Overall | 3.15″ (80.0 mm) |
| Registration Recess Diameter | 2.17″ (55.0 mm) |
| Registration Recess Depth | 0.12″ (3.0 mm) |
| Bolt Circle Diameter | 2.60″ (66.0 mm) |
| Center Hole Diameter | 0.87″ (22.0 mm) |
| Height | 1.69″ (43.0 mm) |
| Jaw Height Above Face | 0.67″ (17.0 mm) |
| Height with Jaws | 2.36″ (60.0 mm) |
| Number and Size of Bolts | 4 M6 |
| Chuck Key | 0.24″ (6.0 mm) |
| Max RPM | 4800 RPM |
| Chuck Designation | K72-80 |
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