7/16"-24 UNS X 1" OD HSS Round Adjustable Die Quantity:1 4 Flute countersinks (or machine

4 Flute countersinks (or machine countersinks) are designed for countersinking holes for centers or for enlarging existing holes

dedicated purpose

Part Number T/A54847TN

Part Number DWDTS9/16

7/16"-24 UNS X 1" OD HSS Round Adjustable Die Quantity:1 4 Flute countersinks (or machineProduct 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