Diablo DMD516JP1 Metal Demon Drill Bit with Thermal Shield Protective Coating for Mild, Hardened and Stainless Steel - 4.6" Length, 5/16" Dia., 3-Flats Shank Apparel Anti-dry fire mechanism engineered to

Anti-dry fire mechanism engineered to prevent driving blanks and damage to work surface

The built-in adjustment screw enables the drywall finishers to adjust the drywall skimming blade handle to any angle

and 21 size step drills

360° ADJUSTABILITY - Direct the light where you need it on the jobsite

The conical 10-degree flap arrangement improves grinding ergonomics for improved tool handling

Diablo DMD516JP1 Metal Demon Drill Bit with Thermal Shield Protective Coating for Mild, Hardened and Stainless Steel - 4.6" Length, 5/16" Dia., 3-Flats Shank Apparel Anti-dry fire mechanism engineered toDiablo's Metal Demon Drill Bits redefine metal drilling with the industrys first all in one bit to tackle all metals: mild, hardened, and stainless steels. Long gone are the days where professionals must purchase and carry multiple bit types (Titanium, Cobalt, and Black Oxide), the Metal Demon bits exclusive design brings a one bit solution for any application ensuring maximum durability, speed, precision, and productivity. Diablos proprietary Thermal