About us
We are a leading manufacturer of rock drilling tools, like DTH hammers and bits, DTH drill pipes, RC hammers and bits, tophammer button bits, coupling, cross bits, drill rods located in Changsha, Hunan, China.
We have rich experience in this field of DTH hammers and bits for 20 years.
Owing to high quality, professional serivce and competitive price, we have gotten good reputation from our customers from all over the world, such as France, Spain, Italy, South Africa, Iran, Malaysia, Australia ad etc.
Product specifications: PR40 RC Bits
| Diameter |
No x Button diameter mm |
Button angle |
Flusing holes |
Shroud Dia mm |
Weight(kgs) |
Part No |
| mm |
inch |
Gauge Buttons |
Front Buttons |
| 124 |
4 7/8 |
8x14 |
8X13 |
35 |
2 |
122 |
14.3 |
PR40-124 |
| 127 |
5 |
8x14 |
8X14 |
35 |
2 |
125 |
14.7 |
PR40-127 |
| 133 |
5 1/4 |
8x16 |
10X14 |
35 |
2 |
131 |
15.2 |
PR40-133 |
| 138 |
5 4/9 |
8x16 |
6x16+3x14 |
35 |
2 |
136 |
15.8 |
PR40-138 |
Specification:
1) 3" RC Bits: Dia. 86mm-102mm shank RE531
2) 4'' RC Bits: Dia. 114mm-127mm Shank type: RE004
3) 4.5" RC Bits: Dia. 121mm-133mm Shank type: RE542, RE543
4) 5'' RC Bits: Dia. 124mm-138mm Shank type: RE545, PR40
5) 5.5" RC Bits: Dia. 133mm-159mm Shank type: PR52, RE547, PR54, M5456
Other size can be upon to customer's requirements
We can also provide related products DTH hammers, ODEX system, symmetrix systems, slide block drilling systems, etc and DTH drilling pipes for various thread API REG, API IF, BECO, etc
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 15-25 days
Transportation
By air, By Express or By sea according to your requests.
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