Electrician Step Drill Bit UNIBIT Reamer Spiral Flute COBALT M42 Drill Hog USA These extractors are made from

These extractors are made from Molybdenum which has a melting point of 4

1-5/16" Cobalt Silver & Deming Bit

4 Flat Sides on the Shank So will Not "Spin" in the Chuck

(12 Pieces) #56 Hi-Molybdenum M7 Drill Bits

This complete master drill index solves the problem

Electrician Step Drill Bit UNIBIT Reamer Spiral Flute COBALT M42 Drill Hog USA These extractors are made fromDrill Hog Cobalt M42 Step Drill Bit Set Spiral Flute Includes: (3) Cobalt M42 Step Drill Bits Sizes: *3 16" 1 2" (6 Steps) Step Sizes: 3 16", 1 4", 5 16", 3 8", 7 16", 1 2" *3 16" 7 8" (12 Steps) Step Sizes: 3 16", 1 4", 5 16", 3 8", 7 16", 1 2", 9 16", 5 8", 11 16", 3 4", 13 16", 7 8" *1 4" 1 3 8" (10 Steps) Step Sizes: 1 4", 3 8", 1 2", 5 8", 3 4", 7 8", 1", 1 1 8", 1 1 4", 1 3 8" Specifications: Premium Cobalt M42 Steel Shank Size: 3 8" New Spiral