Premium 5/16″-40 HSS Round Adjustable Die, Special 1″ OD Uncoated (Bright) DWTSR1-51640

Specs

Material: High Speed Steel (HSS)

Type: Round Adjustable Die for external threading

Thread size: 5/16-40

Outer diameter: 1 inch

Finish: Bright, uncoated

Adjustment mechanism: fine pitch screw to widen or close the die gap

Chamfering: faces chamfered on both sides — one side with a 2 to 3 thread chamfer; the opposite side with a 1 to 1-1/2 thread chamfer for threading close to a shoulder

Slot design: beveled to allow removal of the adjustment screw when used with a machine holder

Features

Enables precise external threading on round stock with adjustable opening for starting threads cleanly

HSS construction delivers wear resistance for repeated threading operations

Chamfer configuration supports both starting threads away from shoulders and finishing near shoulders

Beveled slot permits adjustment via the holder’s screws when mounted in a machine holder

Uncoated bright finish facilitates inspection of thread features and reduces galling tendencies

Physical

Thread specification: 5/16-40

Outer diameter: 1 inch

Material: High Speed Steel

Finish: Bright, uncoated

Use case: External threading on round stock; suitable for projects requiring precise starting threads near a shoulder