1.Description:Auger Bit 2.Material: Hss Carbon Steel 3.Packaging:Bag or ... .3) Screw threaded centre point for precisely locating the bit and for fast self-starting of the hole.4) ... hole.6) Full length heat treatment guards against bending bit in heavy-duty applications.7) For precise drilling in ... /8", 1-1/2"Overall Length: 4", 5", 6", 8", 9", 10", 12", 16", 18", 20", 24", 26" SDS-plus Shank Auger Bit