5/16"-36 UNS X 1" OD HSS Round Adjustable Die - High Performance & Durable Cutting Tool | Drill America Extractors Tap Drill Size: 4

Tap Drill Size: 4

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5/16"-36 UNS X 1" OD HSS Round Adjustable Die - High Performance & Durable Cutting Tool | Drill America Extractors Tap Drill Size: 4HSS 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 forces the sides of the