#4-40 UNC X 13/16" OD HSS Left Round Adjustable Die Quantity:1 Precise 6-point and 12-point openings

Precise 6-point and 12-point openings provide an exact fit for hex fasteners

Part Number: 87C550SHB307G

Part Number DWC5-530-183

Flute Length 1-3/16"

Tap Drill Size #37

#4-40 UNC X 13/16" OD HSS Left Round Adjustable Die Quantity:1 Precise 6-point and 12-point openingsProduct 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