TMX 3-788-312 12" Chuck 1.5mm pitch x 60° Jaw Lathe Chuck Top Jaws

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Item #
  • Brand: TMX
  • Model #: 3-788-312
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TMX 3-788-312 12" Chuck 1.5mm pitch x 60° Jaw Lathe Chuck Top Jaws is no longer available for purchase.

For additional information, please contact one of our customer service representatives at 1-800-221-0270.

Product Specifications
More Information
Brand TMX
Model # 3-788-312
Tool Material 1045 Mild Steel
Type Soft Top Jaw
Body Width 1.9291"
Diameter 1.9685"
For Chuck Size 12"
Groove .8268"
Height 1.9488"
Hole Spacing 1.1811"
Jaw Size 1.5mm pitch x 60°
Jaw Type Serrated - Soft Top
Length 4.3701"
No. of Jaws 3
Prop. 65 Yes
Screw Size .6693"
Width 1.9291"
Country of Origin IMPORT

Prop 65 Warning

Many metalworking products do contain metals that are included in the latest Prop 65 warning. Exposure to the elements can be harmful. May cause cancer and reproductive harm.



  • Reduces scrap and/or reworked parts.
  • Long-life, reduced friction = high gripping forces.
  • Maximizes bar stock capacity relative to chuck body size.


  • Repeatability: ±.0008"
  • Body and parts made of high grade steel.
  • Hardened and ground sliding surfaces.
  • Direct lubrication of master jaws.
  • Large thru-hole.
Ships direct from factory.


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