1-7/8"-8 UNS X 3" OD HSS Round Adjustable Die Quantity:1 Size 1/2"-27

Size 1/2"-27

The keys are made from 8660 nickel chromium molybdenum steel that's heat-treated to 54–58 HRC

Diameter/Pitch: M18 x 1

Part Number DWDRSD53/64

Part Number: BIT-DWDRSD57/64

1-7/8"-8 UNS X 3" OD HSS Round Adjustable Die Quantity:1 Size 1/2"-27Product Description HSS Round Dies are for use in making new threads or re threading existing threads. They are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance. Round dies are chamfered on both faces, one side has a 2 to 3 thread chamfer for threading and the other side has a 1 to 1 1 2 thread chamfer for threading close to a shoulder. Adjustments are made by a fine pitch screw which