31014-5PC

Cobalt Steel Bits Provide Longer Life & Cut Faster Than High Speed Steel Two Sprial Flutes, Automatically Deburrs As You Drill & Provides Better Chip Rem Tri-Flat Shank For Sure Grip, 135 Degree Split Point, Self Centering 1/4" Shank: 3/16" To 1/2", 6 Steps 1/4" Shank: 1/8" To 1/2", 13 Steps 3/8" Shank: 1/4" To 3/4", 9 Steps 3/8" Shank: 1/4" To 1-3/8", 10 Steps 3/8" Shank: 3/16" To 7/8", 12 Steps

Hardness HRC 66, M35

31012-9PC

Manufactured With Heat Treated HSS
Coated With Titanium Nitride, Two Flute Desig
For Drilling Holes in Thin Material Such as Steel, Stainless Steel, Copper, Alum
Tri-Flat Shank For Sure Grip
Black & Cobalt Surface Treatment
Holds Lubricant For Smoother Drilling


Flute Shape Straight Flute
Material Titanium Nitride Coated (HSS)
Quick Change Shank 1/4"
13 Steps 1/8" - 1/2" in 1/32 Increment
6 Steps 3/16" - 1/2" in 1/16 Increment
9 Steps 1/4" - 1" in 1/16 Increment
12 Steps 3/16" - 3/4" in 1/16 Increment
8 Steps 9/16" - 1" in 1/16 Increment
10 Steps 13/16" - 1-3/8" in 1/16 Increment
12 Steps 7/16" - 1-1/8" in 1/16 Increment
10 Steps 1/4" - 1-3/8" in 1/8 Increment
13 Steps 1/8" - 7/8" in 1/16 Increment
Package Contents 9pc Step Drill Bit, Storage Case