Sollroc M50, QL50, DHD350, COP54

Diameter 135mm-165mm Shank: Secoroc COP54, Bulroc BR5, Ingersoll-rand IR350/QL50, M50, Halco Mach50, Sandvik SD5 Face shape: convex, concave, flat face, Drop center and double gauge Button shape: Domed, parabolic(semi-ballistic), Ballistic, sharp and flat Bit Shank: Sandvik, Atlas Copco, Ingersoll-Rand, Halco, Bulroc etc. High quality alloy steel and tungsten carbide, Optimum design, Multiple precision heat-treatment. Highest penetration rate, Maximum wear resistance, Longest lifespan and outstanding performance.