• Lathe Chuck - 3", 4-Jaw, Self-Centering
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Lathe Chuck - 3", 4-Jaw, Self-Centering

Lathe Chuck - 3", 4-Jaw, Self-Centering

$139.95
$139.95
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3424 (E03 - 03)

Key Features

  • 4-jaw self-centering lathe chuck
  • 3" (80 mm) diameter
  • Includes chuck key, inside and outside jaws
  • Plain back mounting
  • High grade tool steel

WARNING: This product can expose you to chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

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Product Information

Description

3 inch, 4-Jaw self-centering lathe chuck for square or octagonal work.

The through bore of this chuck is 16 mm (0.63").

The chuck can hold work up to 63 mm (2.48") in diameter.

The radial runout of a test bar held in this chuck, when the chuck is mounted true, is 0.003" maximum.

*NOTE: * Note Don't forget to purchase a set of Studs & Nuts to accommodate changes in chuck or adapter configurations. 

Chris' Tips

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

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.

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

Specifications

Rated Capacity, Inside Jaws: 0.079" - 0.866" (2 mm - 22 mm)

Rated Capacity, Jamming Range: 0.984" - 2.756" (25 mm - 70 mm)

Rated Capacity, Outside Jaws: 0.866" - 2.480" (22 mm - 63 mm)

Runout (Max): ≤ 0.003" (0.071mm)

Diameter, Overall: 3.150" (80 mm)

Registration Recess Diameter: 2.165" (55 mm)

Registration Recess Depth: 0.138" (3.5 mm)

Bolt Circle Diameter: 2.598" (66 mm)

Center Hole Diameter: 0.630" (16 mm)

Height: 1.969" (50 mm)

Jaw Height Above Face: 0.630" (16 mm)

Height with Jaws: 2.598" (66 mm)

Number and Size of Bolts: 3 M6

Chuck Key: 0.315" (8 mm)

Max RPM: 4000 RPM

Chuck Designation: K12-80

Product Instructions

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