Precise Precision Chuck with Adapter, 3" Size, 4-Jaw Chuck, 5C Shank - 202-446

Precise Precision Chuck with Adapter, 3" Size, 4-Jaw Chuck, 5C Shank - 202-446

4 Jaw Chuck

• Independent Jaw are adjustable
• 1 set reversible jaws allow for internal and external usage

Features:

• 5C arbor allow to use in headstock to replace typical lathe chuck for more rigid clamping in small part application
• Accuracy is maintained for the entire clamping range
• Semi-steel chuck body made from high quality cast iron
• 4 pinion design with each pinion ground and hardened to HRC 43
• Both side of jaw teeth and guides are ground and hardened to HRC 58-62
• Each set of jaws are serialized in their own set
• A serialized set of jaws are then finished, ground, and lapped on their designated chuck body which will be the same chuck body on the final assembly to achieve a greater accuracy
• Before assembling the jaw to its designated chuck body, the jaw's finish machining are performed on a closed tolerance state of the art CNC machine from Japan
• Scroll plate's thread flank are ground on both side to achieve a tighter contact with the master jaw
• Each chuck has gone through rigorous accuracy and repeatability inspection with clamping and jamming multiple random testing rods or rings
• Chuck Center Hole: 0.866"
• Chuck Body Thickness: 1.653"
• Runout: 0.003"
• Outside Jaw Clamping Range: 1.378 - 3.150"

Included:

• One set reversible jaw for internal clamping and external clamping
• Lathe Chuck Key

Specifications:

See all Precise Precision Chucks with Adapter