Single spur, cutter, and side lip bore through creosoted poles without clogging, binding, or stopping to clear chips. Extra-long twist is ideal for boring large poles, construction timbers, and for multiple timber applications. Hex shank design for use in impact wrench drills. Full-length heat treated bit guards against bending in heavy-duty applications and strengthens the bit where the greatest strain occurs. Bit can be resharpened. Medium-fast screw point ideal for general wood boring applications. Material(s): Steel.