3/4"-18 UNS X 1-1/2" OD HSS Round Adjustable Die BoltsandNuts.com The keys are made with

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

Each cutter comes with Pilot Drill and Hex Key

Part Number: VibraTite131250ml

Part Number: BIT-KFDRSD3/8X13/32

Part Number: 87C250HCS8Y

3/4"-18 UNS X 1-1/2" OD HSS Round Adjustable Die BoltsandNuts.com The keys are made withProduct 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