1/4"-28 HSS Left Hand Round Adjustable Die | 13/16" OD | Uncoated (Bright) | DWTH1316-1428LH

This High Speed Steel (HSS) round adjustable die is designed for left-hand threading with a 1/4 inch-28 thread profile and a 13/16 inch outer diameter. The uncoated bright finish supports repeated use in threading operations while maintaining predictable tool life.

Specs

• Quantity: 1 piece
• Thread size: 1/4 inch-28
• Outer diameter: 13/16 inch
• Material: High Speed Steel (HSS)
• Finish: Uncoated (Bright)

Features

• Left-hand round adjustable die for producing reverse-threaded components without reversing tooling.
• Adjustment mechanism uses a fine pitch screw to push the die halves apart or allow them to come together, enabling precise control over effective bore and pitch engagement.
• Chamfer geometry on both faces: one side provides a 2 to 3 thread chamfer for entering threads, the opposite side offers a 1 to 1-1/2 thread chamfer for threading close to a shoulder.
• Beveled slot design allows adjustment when used with a holder; the adjusting screw can be removed and changes made via the holder’s screws.
• Wear life enhanced by HSS material, suitable for repetitive use in machining and setup tasks.

Physical

• Form factor: Round adjustable die with a compact, operable profile for hand and machine setup.
• Finish: Bright uncoated surface for ease of inspection and chip clearance.
• Orientation: Left-hand threading configuration, compatible with applications requiring reverse-thread machining.