Drill Hog 1/4"-3/4" Step Drill Bit Spiral Flute Cobalt UNIBIT Lifetime Warranty 8 Jumbo Sizes from 9/16"

8 Jumbo Sizes from 9/16" to 1" (by 1/8ths)

Specifications:

These drills are made from HI-Molybdenum M7 steel which has a melting point of 4

135 Degree Split Point Prevents "Walking"

Drill Hog 1/4"-3/4" Step Drill Bit Spiral Flute Cobalt UNIBIT Lifetime Warranty 8 Jumbo Sizes from 9/16"Drill Hog USA 1 4" to 3 4" Cobalt M42 Step Drill Bit Set Spiral Flute Includes: 1 4" to 3 4" Spiral Flute Step Bit (9 Steps) Steps: 1 4", 5 16", 3 8", 7 16", 1 2", 9 16", 5 8", 11 16", 3 4" Specifications: Premium Cobalt M42 Steel Shank Size: 3 8" New Spiral Flute Design Cuts 27% Faster Spiral Flute Produces Clean and Straight Holes Dual Flute Design Automatically Deburrs While you Drill 3 Flat Sides on the Shank so the Bit will Not "Spin" in the