8 inch dth bit water hole:three match hammer:340,350,360,380 Long service life ISO certificate 8 inch dth bit DTH drill bit is our company main product.After mang years search,we have rich experience in development and manufacture which adopted...

3"-8" dth hammer DHD, COP model 4"-8" quick hammer High drilling rate Low air consumption Quality products good price With yeas of experience, now Zhongrui can manufacturer the best qualith DTH drill bit, DTH hammer. Now we can...

hammer rod drilling rod with high quality and large of quantity stable and durable Hammer rodWe supply drilling rod/moil rod for breaker,jack hammer and so on.Rock breaker tool Exceptional performance Select high quality alloy steel Multiple heat...

DTH hammer 1.Fast drilling speed, low air consumption 2. Straightness and hole quality 3. High penetration rate DTH hammerWith year of experience, Zhongrui can produce the best quality dth hammer, dth bit in China, Now we can supply 3"-8"...

water well drilling pipe Down the hole mining usage Match Atlas, Sandvik drilling rig ISO certificate  1. Quaity drill pipe for mining usage.2. Match all the popular using drilling rig.3. Have different connect type to match different hammer 4.Long...

down the hole hammer drill 1.Fast drilling speed 2. low air consumption 3. Straightness 4. High penetration rate  Down the hole hammer drill Bit face shape selection:1. Drop Center Bit2. Concave Face3. Convex Face4. Double Gauge Face5. Flat Face...

DTH drill hammer 1.Fast drilling speed, low air consumption 2. Straightness and hole quality 3. High penetration rate DTH drill hammer With yeas of experience, now Zhongrui can manufacturer the best quality DTH drill bit, DTH drill  hammer and...

high pressure down-hole drill bit water hole:two match hammer:350 high quality with low price DTH bit is our company main product.After mang years search,we have rich experience in development and manufacture which adopted high-quality raw materials,...

rock roller bit water hole:two match hammer:3-8inch 90-203mm bit Good quality, low price Down hole rock roller bit With yeas of experience, now Zhongrui can manufacturer the best quality DTH rock drill bits, DTH hammer and chisel bit, thread button bit....

pneumatic rock drill bit 1.Fast drilling speed, low air consumption 2.Straightness and hole quality 3. High penetration rat Head Designs: ConvexThe convex face is a strong design for all conditions especially hard abrasive rocks. Good balance of fast...