5/16 Cobalt Drill Bit

Description:

Item # N7NTBKUPC: 024721067098
IRWIN COBALT DRILL BITS

  • Straight shank jobber length drill bits
  • Heavy duty web construction
  • 8% cobalt for hardness & abrasion resistance
  • Drills hardened steel & super alloys
  • Also drills titanium & stainless steel
  • Gold oxide finish
  • 1 per card