Mechanics length provides a shorter sturdier construction Hey DIYers and mechanics, this KnKut step drill bit is seriously handy for all sorts of projects! The 17/64 fractional size is perfect when you need precise holes in tough materials like hard steel, brass, sheet metal, and even acrylics KnKut USA Made Step Point drill bits combine a split tip point with a step drill design for accurate starting without the need of a center punch. Step Drill Bits - Made In The USA Drill Bit 17/64" HSS M2 Split Point Jobber Length - 135°, Hex Shank 17/64 Drill Bit Can be used to enlarge existing holes without damaging the point Order Knkut 1764 Fractional Mechanics Length Step Point Drill Bit, KNKKK10-17-64 at . Great prices & free shipping on orders over $50 when you sign in or sign up for an account Great for hard steel, brass, sheet metal and acrylics This distinctive design reduces heat to increase the tool life of the drill bit and can be used to enlarge existing holes without damaging the drill bit point.