Chamfered on both faces; one side with a 2 to 3 thread chamfer for threading, the opposite side with a 1 to 1-1/2 thread chamfer for threading close to a shoulder
Fine pitch screw drives the die halves apart or together to set the thread depth
Beveled slot design facilitates adjustment when mounted inside a machine holder; the adjusting screw can be removed and adjustment performed by the holder’s screws
Optimized for wear life with High Speed Steel construction during threading operations