About us:
We are a leading manufacturer for various of high air pressure rock drilling tools, incl. DTH hammers and bits, RC hammers and bits, top hammer button bits, ODEX etc. Our factory locates in LiuYang city, HuNan province, China, where occupies an area of 26,600 square meters, and production facility occupies 22,000 square meters.
Premium quality, professional serivce and competitive price, help us get very good reputation from our worldwide customers, not only from the domestic, also from Brazil, Peru, South Africa, Australia, Turkey, Russia, Ukraine, Korea etc..
Our factory general view:
Why choose us:
1. High quality raw material, with premium hardened procedures for long life.
2. Full production chain to secure stable and prompt production leadtime.
3. Experienced Senior Technicians.
4. Long year experienced workers and engineers.
5. Quick and efficient service.
6. Care customers' concerned.
7. Customized acceptable.
Reverse Circulation Hammer specifications:
1) 3" RC hammers: RE531,
2) 4'' RC hammers: RE004, RE004R,
3) 4.5" RC hammer: RE542, RE543,
4) 5'' RC hammer: RE545, PR40,
5) 5.5" RC hammer: RE547, PR52, PR54, RC45, AD670
6) other sizes could be made by clients' drawing request.
| RC Hammer |
Bit Shank |
Hole Range (mm) |
External Diameter (mm) |
Length (without bit) (mm) |
Weight |
Connection Thread |
Working Pressure |
| RE531 |
RE531 |
84-100 |
81 |
1069 |
29 |
3" Remet |
1.0-3.0Mpa |
| RE004 |
RE004 |
111-127 |
107 |
1252 |
52 |
3.5"-4" Remet / 4" Metzke |
1.0-3.0Mpa |
| RE542 |
RE542 |
113-130 |
109.5 |
1191 |
57 |
3.5"-4" Remet / 4" Metzke |
1.0-3.0Mpa |
| RE543 |
RE543 |
120-135 |
116 |
1191 |
62 |
3.5"-4" Remet / 4" Metzke |
1.0-3.0Mpa |
| RE545 |
RE545 |
122-135 |
117.5 |
1261 |
65 |
4"-4.5"Remet / 4"-4.5"Metzke |
1.5-3.5Mpa |
| RE547 |
RE547 |
130-146 |
124.5 |
1270 |
71 |
4.5"Remet / 4.5"Metzke |
1.5-3.5Mpa |
| PR40 |
PR40 |
124-142 |
120.5 |
1362 |
80.5 |
3.5"-4.5"Remet / 3.5"-4.5"Metzke |
1.5-3.5Mpa |
| PR52 |
PR52 |
126-142 |
121 |
1227 |
68.5 |
4"-4.5"Remet / 4"-4.5"Metzke |
1.5-3.5Mpa |
| PR52R |
PR52/PR52R |
130-146 |
124 |
1225 |
65 |
4"-4.5"Remet / 4"-4.5"Metzke |
1.5-3.5Mpa |
| PR54 |
PR54 |
135-150 |
130 |
1294 |
84.5 |
4.5"Remet / 4.5"Metzke |
1.5-3.5Mpa |
| RC45 |
RC45 |
130-146 |
124.5 |
1298 |
71 |
4.5"Remet / 4.5"Metzke |
1.5-3.5Mpa |
| AD670 |
AD670 |
135-150 |
132 |
1339 |
90 |
4.5" Remet / 4.5" Metzke |
1.5-3.5Mpa |
RC bits sizes available:
1) 3" RC Bits: diameter (86mm-102mm), shank (RE531),
2) 4'' RC Bits: diameter (114mm-127mm), shank (RE004, RE004R),
3) 4.5" RC Bits: diameter (121mm - 133mm), shank (RE542, RE543),
4) 5'' RC Bits: Diameter (113mm-146mm), shank (RE545, PR40),
5) 5.5'' RC Bits: Diameter (133-146mm), shank (RE547, PR52, PR54, RC45, AD670)
Other sizes can be upon customer's requirements. Customized acceptable.
Products Corner:
Production Corners for RC Hammers' Sampling Tubes and RC bits:
Production Corners for RC bits:
Quality warranty:
Our products are made of high quality steel and all spares parts are inspected strictly before shipping. We have quickly responses for your complaint and suggestion.
Package:
Using ply-wooden cases and pallet for package to protect the products and avoid the damagement during transportation. Also we can customize package according to your special requests.
Production time:
Generally need 20-30 days
Transportation:
By air, By Express or By sea according to your requests.
Factory Activities:
Should you have any query or demand, pls come to us freely.
Thank you very much for your time.
Audited Supplier 
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