Unique concave carbide tip design, accelerates drilling speed, reduces wear and supports dust removal.
Most rigid joints through copper-silver brazing. Carbide is totally embedded in both sides of the steel body. Super tough TWINMAX™ flute. Fastest and most efficient dust removal. Annealed, shot- peened chrome, nickel, molybdenum steel to prevent premature fatigue failures.
Bit diameters meet ANSI standard.