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

Part Number: 2361
Weight: 7.60 lb

Price: $155.95

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Description

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

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.

Specifications

Specifications
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)
Runout (Max)	≤ 0.0032" (0.081 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	0.91" (23.0 mm)
Height with Jaws	2.91" (74.0 mm)
Number and Size of Bolts	3 M8
Chuck Key	0.31" (8.0 mm)
Max RPM	3500 RPM
Chuck Designation	K12-100

Compatibility

Compatibility

This product works with these LittleMachineShop.com products:

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

Northern Tool 49656 KLUTCH 7x12 Mini Lathe
Big Dog BD-0618Ax300 7x14 Mini Lathe
Big Dog BD-0618x300 7x14 Mini Lathe
LittleMachineShop.com 7450 HiTorque 7x16 Mini Lathe
LittleMachineShop.com 5200 HiTorque 7x16 Mini Lathe
LittleMachineShop.com 7350 HiTorque 7x16 Mini Lathe
LittleMachineShop.com 5100 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 SC4 8.5x16 Bench Lathe
SIEG C4 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