Sollroc DTH bits for 4" DTH hammer

● Bit Diameter: 105mm to 140mm ● Bit Face: Flat, Concave, Convex and Drop-Center ● Button Shape: Domed, Ballistic, Semi-ballistic abd flat buttons ● 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. Shank BR4, DHD340, COP44, QL40, M40, Mach44, SD4 Dia.105mm gauge buttons 6x14mm, center buttons 5x13mm Dia.110mm gauge buttons 7x14mm, center buttons 6x13mm Dia.115mm gauge buttons 7x14mm, center buttons 6x13mm Dia.120mm gauge buttons 8x14mm, center buttons 7x13mm Dia.127mm gauge buttons 8x14mm, center buttons 7x13mm Customer's design can be avaible. We also can provide other models DTH bits for 2" to 18" DTH hammer