Description
Technical description for a single High Speed Steel Round Adjustable Die, Special. Designed for external threading on cylindrical workpieces with precise control over thread engagement and wear life.
Specs
- Thread size: 3/4 inch-40 (three quarters of an inch diameter, forty threads per inch)
- Outer diameter: 1-1/2 inch
- Finish: Uncoated (Bright)
- Material: High Speed Steel (HSS)
- Chamfer on faces: both faces chamfered; one side two to three thread chamfer; other side one to one and a half thread chamfer
- Adjustment mechanism: fine pitch screw to force the sides apart or allow them to spring together
- Slot design: beveled slot so adjustment can be performed in a machine holder after removing the adjusting screw
Features
- Two-face chamfer configuration enables starting threads cleanly and threading close to a shoulder
- Fine pitch adjustment provides precise control to match existing thread pitch and avoid cross-threading
- Beveled slot facilitates quick setup when mounted in a machine holder, reducing downtime
- High Speed Steel construction offers improved wear life for repeated threading operations
- Bright uncoated finish supports visibility of chips and helps with inspection during use
Physical
- Material: High Speed Steel (HSS)
- Finish: Uncoated (Bright)
- Thread size: 3/4 inch-40
- Outer diameter: 1-1/2 inch
- Special design variant: Round adjustable die with dual chamfers and beveled slot for machine holder compatibility
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