Step Point drill bits combine a split tip point with a step drill design for accurate starting without the need of a center punch 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 The shorter Mechanics Length gives you a sturdier drill bit with 3Flats on the shanks sizes 316 and above to help eliminate slippage in your chuck Our KnKut Step Point Drill Bit is great for hard steel brass sheet metal and acrylics Features. Made In USA Great for hard steel brass sheet metal and acrylics. Split point step design starts on contact selfcenters and eliminates the need for a center punch. Can be used to enlarge existing holes without damaging the point. Mechanics length provides a shorter sturdier construction. 29 PieceSpecifications. Size 0062505 in. Weight 3 lbs