U.S. AISI M2 Molybdenum High Speed Steel. Letter Gauge W Drill Bit – 0.386″ dia. 5-1/8″ len. Rockwell Hardness: Point C65 Shank C34. Century Drill & Tool. 135° Split Point. Fully Ground from billet blanks.
U.S. AISI M2 Molybdenum High Speed Steel. Letter Gauge W Drill Bit – 0.386″ dia. 5-1/8″ len. Rockwell Hardness: Point C65 Shank C34. Century Drill & Tool. 135° Split Point. Fully Ground from billet blanks.