STEP DRILL BITS

BIT DRILL #1 UNIBIT
BIT DRILL #20 UNIBIT
IMP STEP DRLBIT #3
IMPCT STP DRL BT 3.68"
IMPCT STP DRL BT 3.75"
STEP DRLBIT #4
STP DRL BT BLCK OXD #8"
STP DRL BT BLCK OXD #9"