Drill Hog is proud to release Tungsten-Molybdenum M4 drills. These bits are made from Tungsten-Molybdenum M4 High Speed Steel.
These bits were designed for drilling hard steel. Will handle tough jobs like truck frames, stainless steel, farm implements, spring steel, grade 8 bolts, and more!
Drill Hog includes a lifetime warranty to the original purchaser.