1/4″-28 HSS Round Adjustable Die 2″ OD Uncoated (Bright) DWTH2-1428 Shop Now

Specs

Thread size: one quarter inch diameter, twenty eight threads per inch (UNC)

Outer diameter: two inch

Material: High Speed Steel

Finish: uncoated bright

Die type: round adjustable die

Adjustment mechanism: fine pitch screw that advances or retracts the die halves; designed for adjustment in a machine holder by removing the screw

Chamfer on faces: both faces chamfered; one side two to three thread chamfer for threading, the other side one to one and one-half thread chamfer for threading near a shoulder

Features

Wear life: High Speed Steel construction extends tool life under threading operations

Precise adjustment: fine pitch screw enables controlled opening and closing of the die gap

Dual chamfer design: optimized for threading away from a shoulder or close to a shoulder, depending on orientation

Machine holder usability: beveled slot allows adjustment via the holder’s screws after removing the adjusting screw

Visibility and inspection: bright, uncoated finish improves chip visibility and work-area awareness

Geometry: round die geometry supports consistent chip formation and smooth cutting action

Use cases: suitable for small-diameter threading tasks, bench work, and on-the-fly repairs requiring quarter-inch threads at twenty eight per inch

Physical

Outer diameter: two inch

Thread size: one quarter inch diameter, twenty eight threads per inch

Material: High Speed Steel

Finish: uncoated bright

Quantity: one piece

Special feature: beveled slot accommodates adjustment in a machine holder