IRWIN Unibit 3/8-in 13-Step Drill Bit

Single-fluted cutting edge for greater control and rounder holes Ideal for drilling holes in thin materials such as mild steel, copper, brass, aluminum, Plexiglas, wood and laminates 3-flatted shank won't slip in chuck Speed point tip for fast starting Laser marked sizes won't wear off with use Unibit #3 is engineered with M35 cobalt steel for maximum life when drilling in tough steel Unibit #3 cobalt contains a 3/8-in hex shank and contains 9 hole sizes- 1/4-in-3/4-in (1/16-in steps) Unibit #1 contains a 1/4-in hex shank and will drill 13 hole sizes- 1/8-in-1/2-in (1/32-in steps) Unibit #4 contains a 3/8-in hex shank and will drill 12 hole sizes- 3/16-7/8-in (1/16-in steps)

Features

Sub-Brand	Unibit
Brand/Model Compatibility	Universal
Number of Hole Sizes	12
Diameters of Holes Drilled	1/8-in to 1/2-in
Step Size	1/8-in
Shank Size	3/8-in
Shank Type	Hex
Material	Black oxide coated HSS
Set/Individual	Set
Package Quantity	3
Warranty	None
CA Residents: Prop 65 Warning(s)	Yes