Round Dies are chamfered on both faces. Adjustment is obtained by a fine pitch screw which forces the sides of the die apart, or allows them to spring together.For threading, a High Speed Steel Round Adjustable Die is desired for improved wear life. 1/2"-32x1-1/2" OD HSS Round Adjustable Die Special The slot is beveled so that when the dies are used in a machine holder the adjusting screw can be removed and adjustment made by the adjusting screws in the holder.
. Surface treated with abrasion-resistant black oxide.T HSS Black Oxide Jobber Length Drill Bit Ideal for production, maintenance or portable drilling jobs.