• Drill Blank Size (Decimal Inch): 0.339
• Drill Blank Size (Letter): R
• Blank Length (Inch): 4-3/4"
Made from hardened (HRC 63-65) high speed steel and ground, can be used as punches, gauges, pins or ground for special tools.
• High Speed Steel
• + 0.0000"/ - 0.0003