m40 X 1.5 3" OD HSS Round Adjustable Die Special BoltsandNuts.com Taper Size: 7/8"

Taper Size: 7/8"

They have a left hand spiral flute for removing broken material

Part Number: 75F75SSSAOVALBO/F912

Length: 3-3/8"

Part Number: BIT-T/A54726

m40 X 1.5 3" OD HSS Round Adjustable Die Special BoltsandNuts.com Taper Size: 7/8"Product 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