UNIBIT COBALT STEP DRILL #4

UNIBIT COBALT STEP DRILL #4 (10234CB)

SKU: 10234CB

Category: Drill Bits

Product Features

  • 6X Longer life vs. the competition.
  • M35 grade Cobalt HSS.
  • Radial concave flute.
  • 3-Flatted shank.
  • Speedpoint tip.
  • Laser marked sizes.
Price:$70.95

Unibit Step Drill Bit, Cobalt HSS, 1/4" to 3/4", 9 Hole Sizes, 3/8" Shank IRWIN Unibit Cobalt is made of high-speed steel, this step drill bit will last longer in the toughest of materials. Best suited for maintenance and repair work.

These amazing drill bits will make sheet metal work a snap! one Unibit will drill many different size holes. each step will drill through material up to 1/8" thick.

Unibit®
PartMaterialHole SizesNumber of HolesNumber of Steps
UNIBIT-1H.S.S#11/8"-1/2"13
10231CBColbalt#11/8"-1/2"13
15101ZRTitanium#1T1/8"-1/2"13
UNIBIT-3H.S.S#33/16"-1/2"9
10233CBColbalt#33/16"-1/2"9
UNIBIT-4H.S.S#43/16"-7/8"12
10234CBColbalt#43/16"-7/8"12
UNIBIT-5H.S.S#51/4"-1-3/8"10
UNIBIT-9H.S.S#97/8 & 1-1/8"2
10239CBColbalt#97/8" & 1-1/8"2
UNIBIT-20H.S.S#209/16"-1"8
10220CBColbalt#209/16"-1"8
15221Titanium#2113/16"-1-3/8"10
1 lbs (0.5Kg) shipping weight.