m20 X 2.5 1-1/2" OD HSS Round Die BoltsandNuts.com the keys rest in hex-shaped

the keys rest in hex-shaped slots

Part Number: 2501-BDLP-102-3S-95

Part Number: EZ-500-5

Part Number CTC5-530-142

Part Number: EZ-SK51215

m20 X 2.5 1-1/2" OD HSS Round Die BoltsandNuts.com the keys rest in hex-shapedProduct 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