m40 X 1.5 3" OD HSS Round Adjustable Die Special BoltsandNuts.com They have a left hand

They have a left hand spiral flute for removing broken material

Taper Size: 7/8"

Length: 3-3/8"

The sizes range from 19 to 50 mm and consistently meet or exceed the industry standards for socket strength and performance

m40 X 1.5 3" OD HSS Round Adjustable Die Special BoltsandNuts.com They have a left handProduct 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