Buy Direct 1-1/8″-12 HSS Left Hand Round Adjustable Die 2-1/2″ OD Uncoated (Bright) DWTH212-11812LH

The 1 PC HSS Left Hand Round Adjustable Die is built for precision left-hand threading on shafts and rods. Made from High Speed Steel with a bright uncoated finish, it delivers improved wear life for demanding machining tasks. The round die uses a fine pitch adjustment screw to control the gap between its halves, enabling accurate thread formation and straightforward setup in a machine holder.

Specs

Quantity: 1 piece

Thread size: 1-1/8 inch diameter, 12 threads per inch

Thread direction: Left-hand

Outer diameter: 2-1/2 inch

Material: High Speed Steel (HSS)

Finish: Bright, uncoated

Features

Dual chamfer faces: 2 to 3 thread chamfer on one face for threading, 1 to 1-1/2 thread chamfer on the opposite face for threading close to a shoulder

Fine pitch adjustment screw to widen or close the die halves for precise thread formation

Beveled slot enables removal of the adjusting screw when used in a machine holder, with adjustment via the holder’s screws

Left-hand threading capability supports left-hand components and assemblies

Round die design promotes even pressure distribution during cutting, enhancing wear life

Physical

Outer diameter: 2-1/2 inch

Material: High Speed Steel

Finish: Bright, uncoated

Chamfer details: one side 2 to 3 thread chamfer; opposite side 1 to 1-1/2 thread chamfer

Adjustment mechanism: fine pitch screw controls die gap; beveled slot supports mounting in machine holders