m20 X 1 1-1/2" OD HSS Round Adjustable Die Special Channable Exclude They are made with 8660

They are made with 8660 nickel chromium molybdenum steel that's heat-treated to 54–58 HRC to produce tools that are hard

Part Number: BIT-T/A54761

Part Number: BIT-T/A54884

Part Number: assortment-kit-5141511 Pieces - Coarse Thread

Part Number DWTSH7/16-40

m20 X 1 1-1/2" OD HSS Round Adjustable Die Special Channable Exclude They are made with 8660Product 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