New Design DTH Drill Bits For NUMA Series High Air Pressure DTH Hammer We can design and manufacture the personalized products to meet your specical apllication, such as changing the tungsten carbide insert ... Read More
High Airpressure 203mm QL60 Hammer DTH Button Bits for Mining Water Well Drilling Introduction: Down The Hole button bit is are produced from premium quality nickel-alloy steel for increased durability and wear ... Read More
6 inch SD6 152 165 175mm DTH Button Bit for Water Well Drilling Rig High air pressure DTH bits hammering drill bit Type Model Length (mm) Weight (kg) External Dia.(mm) Hole Range (mm) 3.5 inch DHD3.5 930 25 82 ... Read More
Low air pressure TH hammer button drill bit 5 inch QL50 135 140 146 152 165mm 5 inch Water Well High Air Pressure DTH drilling hammer bits Bit Shank Bit Size mm Bit Face Button shape QL50 With Foot Valve 135 ... Read More
Drill bits for hammer drill 5 inch High Air Pressure DTH hammers Button Bit DHD350 without foot valve DHD3.5 Dia(mm) Gauge button Weight(Kg) 85 6 x 13 4.2 90 6 x 14 4.5 95 6 x 14 4.8 100 6 x 14 5.0 105 6 x 14 5... Read More
Description This type of bit is used for making large cut holes in drifting and tunneling. A smaller hole is first drilled and then reamed to the final size in combination with a pilot adapter. Widely used in ... Read More