Description:

Item # PFKIEKUPC: 045242166862
THUNDERBOLT(R) BLACK OXIDE DRILL BIT

  • Black oxide jobber length drill bits provide longer life & faster drilling times
  • Parabolic flute, clears chips faster
  • 135 degree split point offers precision start with no "walking"
  • 3-flat secure grip shank reduces bit slipping in the chuck
  • 3/16"  x  3-1/2"