5/16"-30 UNS X 1" OD HSS Round Adjustable Die BoltsandNuts.com Part Number D/ACO3/8X25/64

Part Number D/ACO3/8X25/64

Part Number: 31C200SHCSB

Part Number: EZ-453-6

Part Number D/ASTCO27/32

5/16"-30 UNS X 1" OD HSS Round Adjustable Die BoltsandNuts.com Part Number D/ACO3/8X25/64Product 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