UNIBIT COBALT STEP DRILL #4

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.

Sale:$75.00

List Price: $83.95
Save $8.95 (11%)

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®
Part	Material	Hole Sizes	Number of Holes	Number of Steps
10231CB	Cobalt	#1	1/8"-1/2"	13
UNIBIT-3	H.S.S	#3	3/16"-1/2"	9
10233CB	Cobalt	#3	3/16"-1/2"	9
10234CB	Cobalt	#4	3/16"-7/8"	12
UNIBIT-5	H.S.S	#5	1/4"-1-3/8"	10
10239CB	Cobalt	#9	7/8" & 1-1/8"	2
UNIBIT-20	H.S.S	#20	9/16"-1"	8
10220CB	Cobalt	#20	1/2"-1"	8