Precise 6″ 3-Jaw Self-Centering Lathe Chucks

• Threaded Direct Mount.
• 2 Sets of hard jaws (Internal & External)
• 1 Set of Mounting Screws included.
• Made of high quality semi-steel.
• Hardened and precision ground.
• Wrench is included.

Specifications:

• Sizes D:6″
• 3900-4722 Back Plate Thread: 1-1/2-8
• 3900-4724 Back Plate Thread: 2-1/4″-8
• D1 (Inch): 5.15″
• D2: 5.6″
• h: 0.20
• Center Hole: 1.575″
• Max. RPM: 2500
• T.I.R: .003