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Down hole rock roller bit
Down hole rock roller bit

high pressure down-hole roller bit water hole:two match hammer:3-8inch 90-203mm bit Good quality, low price

With yeas of experience, now Zhongrui can manufacturer the best quality DTH rock drill bits, DTH hammer and chisel bit, thread button bit. Now we can supply 90mm-254mm(3.5"-10") DTH rock drill bits, 340,350,360,380, COP44, COP54, COP64, COP84 , 3"-8" DTH hammer, 340,350,360,380 4",5",6",8" quick hammer with very good price and service.

No.DescripationModelMatch hammerFront buttonsGauge buttonsBit face designWeight(kg)
1Tapered chisel bitZRQ20----0.09
2 Low pneumatic DTH drill bitZRQ90ZRC80Z2-1217ZL6-1420ZLConvex face3.8
2-1319ZL
3ZRQ1003-1217ZL6-1420ZLConvex face4.2
2-1420ZL
4ZRQ110-A4-1217ZL6-1420ZLConvex face4.7
3-1319ZL
5ZRQ110ZRC100Z6-1319QL7-1422QLConvex face5.8
6High pneumatic DTH drill bitZRQ115G-AZRC100GZRC100G-ADHD340COP446-1319Q8-1422QFlat face8.2
7ZRQ115G-AZ6-1319Z8-1422QFlat face8.2
8ZRQ115G-B6-1319Z8-1422QConvex face8.1
9ZRQ115G-C6-1319Q7-1624QFlat face8.2
9ZRQ115G-CW6-1319Q7-1624QFlat face 
10ZRQ115G-CZ6-1319Z7-1624QFlat face8.2
11ZRQ115G-CZW6-1319Z7-1624QFlat face 
11ZRQ115G-D6-1420Z7-1624QConvex face8.1
13ZRQ115G-DWZRC100G6-1420Z7-1624QConvex face 
12ZRQ115G-EZRC100G-A6-1319Q8-1422QFlat face8.2
13ZRQ115G-EZ6-1319Z8-1422QFlat face8.2
13ZRQ115G-F6-1319Q7-1826QFlat face 
14ZRQ140G-AZRC130G ZRC130G-ADHD350COP547-1422Q7-1826QFlat face16.4
15ZRQ140G-AZ7-1420Z7-1826QFlat face16.4
16ZRQ140G-B7-1420Z7-1826QConvex face16.2
17ZRQ152G-A8-1422Q8-1826QFlat face16.4
18ZRQ152GZRC150GDHD360COP644-1621Q8-1624QConcave face16.2
4-1422Q
19ZRQ165G11-1621Q8-1624QFlat face24.4
20ZRQ165G-A8-1621Q8-1826QFlat face24.3
21ZRQ165G-B9-1621Q9-1826QFlat face24.3
22ZRQ178G10-1621Q9-1826QConcave face25.5
23ZRQ203G11-1621Q9-1826QFlat face30.2
24 ZRQ203G-A 6-1826Q9-1826QConcave face, 
Concentric Casing System With Ring Bits ZRTG140
Outer dia.of casing tubeInner dia.of casing tubeOuter dia. of ring bitInner dia. of ring bitOuter dia. of pilot bitMatch hammerWeight(kg)
183mm163mm188mm140mm160mmZRC130G60.3

Down hole rock roller bit

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