Lathe Chuck, 4-Jaw 4", Independent

4-Jaw Lathe Chuck
4" (100 mm) diameter
Each jaw is independently adjustable and reversible
Plain back mounting
High quality steel, hardened and ground

Part Number: 1588
Weight: 7.00 lb

Price: $109.95

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This 4 inch 4-jaw chuck requires an adapter for the mini lathe, but it fits the standard backplate for 9x20 lathes (with the addition of three more bolt holes).

It includes a chuck key.

This chuck has a 0.98" (25 mm) through hole. The chuck can hold work up to 3.94" (100 mm) in diameter.

Chris' Tips

Chris' Tips
Some people want a chuck that can hold larger diameters. 4" chucks work well on the mini lathe, but it is possible to use a 5" chuck on the mini lathe.

Mount this chuck on a mini lathe with one of our chuck adapters. Or purchase a chuck with an adapter already mounted.

Here are instructions for centering work in a 4-jaw chuck. It's easy if you follow this procedure.

Here is a chart that provides lathe chuck capacities and mounting dimensions.

To mount this chuck on an 8x12 or 8x14 lathe, simply drill three more bolt holes in the spindle flange. These are clearance holes so you can use a hand drill to drill them without removing the spindle from the lathe.

Specifications

Specifications
Rated Capacity, Inside Jaws	0.24" - 1.77" (6.0 mm - 45.0 mm)
Rated Capacity, Outside Jaws	1.57" - 3.94" (40.0 mm - 100.0 mm)
Practical Maximum Capacity, Inside Jaws	2.75" (69.8 mm)
Practical Maximum Capacity, Outside Jaws	5.00" (127.0 mm)
Jaw Height Above Face	0.83" (21.0 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	0.98" (25.0 mm)
Diameter, Overall	3.94" (100.0 mm)
Height	2.13" (54.0 mm)
Number and Size of Bolts	4 M8

Compatibility

Compatibility

This product works with these LittleMachineShop.com products:

This product works with lathes with a 100 mm flange chuck mount including:

Big Dog BD-0618Ax300 7x14 Mini Lathe
Big Dog BD-0618x300 7x14 Mini Lathe
LittleMachineShop.com 5200 HiTorque 7x16 Mini Lathe
LittleMachineShop.com 5100 HiTorque 7x16 Mini Lathe
LittleMachineShop.com 7350 HiTorque 7x16 Mini Lathe
MX-8x14 Preenex (and others) 8x14 Lathe
Harbor Freight 44859 Central Machinery 8x12 Precision Mini Lathe
Grizzly G0768 8x16 Benchtop Lathe
LittleMachineShop.com 3536 HiTorque 8.5x16 Bench Lathe
SIEG C4 8.5x16 Bench Lathe
SIEG SC4 8.5x16 Bench Lathe
Travers Tools OT218410 OTMT 8x16 Bench Lathe
LittleMachineShop.com 3540 HiTorque 8.5x20 Bench Lathe
LittleMachineShop.com 3595 HiTorque 8.5x20 Deluxe Bench Lathe
LittleMachineShop.com 7500 HiTorque 8.5x20 Bench Lathe
LittleMachineShop.com 7550 HiTorque 8.5x20 Deluxe Bench Lathe