Lathe Chuck, 4-Jaw 4", Self-Centering
- 4-jaw self-centering lathe chuck
- 4" (100 mm) diameter
- Plain back mounting
- Includes chuck key, inside and outside jaws
- High grade tool steel
4 inch, 4-Jaw self-centering lathe chuck for square or octagonal work.
The through bore of this chuck is 20 mm (0.79").
This lathe chuck can hold work up to 80 mm (3.15") in diameter.
The radial runout of a test bar held in this chuck, when the chuck is mounted true, is 0.004" maximum.
Chris' Tips
This is a fairly specialized chuck for turning square or octagonal stock.
A 4-jaw independent chuck is a lot more commonly used.
Here is a chart that provides lathe chuck capacities and mounting dimensions.
A 4-jaw independent chuck is a lot more commonly used.
Here is a chart that provides lathe chuck capacities and mounting dimensions.
Rated Capacity, Inside Jaws | 0.14" - 1.26" (3.5 mm - 32.0 mm) |
Rated Capacity, Outside Jaws | 1.26" - 3.15" (32.0 mm - 80.0 mm) |
Jaw Height Above Face | 0.91" (23.0 mm) |
Registration Recess Diameter | 2.83" (72.0 mm) |
Registration Recess Depth | 0.16" (4.0 mm) |
Bolt Circle Diameter | 3.27" (83.0 mm) |
Center Hole Diameter | 0.79" (20.0 mm) |
Diameter, Overall | 4.02" (102.0 mm) |
Height | 1.97" (50.0 mm) |
Number and Size of Bolts | 3 M8 |
Compatibility
This product works with these LittleMachineShop.com products: