10311 #11 Unibit Step Drill

Description:

Item # 5GDQFXUPC: 038548103112
UNIBIT #11 STEP DRILL

  • Creates 1/2" knockouts
  • For making bolt holes for large knockouts
  • Suitable for miniature pilot light holes
  • 7/8" hole size
  • 3/8" shank size