SPLINE SHANK MULTIPLE CUTTER PYRAMID PONT HAMMER BITS
This is Reltons new patented technology tip. It has 5 Premium-grade carbide inserts. Your drilling will be faster and smoother. It is longer lasting. Its got precise hole location and offers a easy start center point. Its heat-treated, shot peened, and is made out of superior steel. This bit has ultra efficient dust removal flute design. The 42, 54, &66 in. bits have 31 in. flute length and undercut body.