Amazon
U.S. AISI M2 Molybdenum High Speed Steel 135° Split Point Fully Ground from billet blanks Rockwell Hardness: Point C65 Shank C34 Letter Gauge L Drill Bit - 0.29" dia. 4-1/4" len., Weight: 0.02 pounds, Manufacturer: Century Drill & Tool
U.S. AISI M2 Molybdenum High Speed Steel 135° Split Point Fully Ground from billet blanks Rockwell Hardness: Point C65 Shank C34 Letter Gauge L Drill Bit - 0.29" dia. 4-1/4" len., Weight: 0.02 pounds, Manufacturer: Century Drill & Tool