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.
Premium quality, professional serivce and competitive price, we 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..
Why choose us:
1. High quality raw material, with premium hardened procedures for secure long life.
2. With 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
Factory Corners:
Product specifications:
| DTH bits shank for 5" hammer |
Bit Dia. |
No.
Air Holes |
Gauge
Buttons |
Front
Buttons |
Weight
(Kg) |
Part No. |
| mm |
inch |
DHD350R/COP54
|
133 |
5 1/4" |
2 |
7×φ16 |
6×φ14 |
15.0 |
DHD350-133 |
| 140 |
5 1/2" |
2 |
7×φ18 |
7×φ14 |
16.0 |
DHD350-140 |
| 146 |
5 3/4" |
2 |
8×φ18 |
7×φ14 |
17.0 |
DHD350-146 |
| 152 |
6" |
2 |
8×φ18 |
8×φ14 |
17.5 |
DHD350-152 |
| 165 |
6 1/2" |
2 |
8×φ18 |
8×φ16 |
18.5 |
DHD350-165 |
SD5
|
133 |
5 1/4" |
2 |
7×φ16 |
6×φ14 |
15.5 |
SD5-130 |
| 140 |
5 1/2" |
2 |
7×φ18 |
7×φ14 |
16.0 |
SD5-140 |
| 146 |
5 3/4" |
2 |
8×φ18 |
7×φ14 |
16.5 |
SD5-146 |
| 152 |
6" |
2 |
8×φ18 |
8×φ14 |
17.0 |
SD5-152 |
| 165 |
6 1/2" |
2 |
8×φ18 |
8×φ16 |
19.0 |
SD5-165 |
QL50
|
133 |
5 1/4" |
2 |
7×φ16 |
6×φ14 |
15.5 |
QL50-130 |
| 140 |
5 1/2" |
2 |
7×φ18 |
7×φ14 |
16.0 |
QL50-140 |
| 146 |
5 3/4" |
2 |
8×φ18 |
7×φ14 |
16.5 |
QL50-146 |
| 152 |
6" |
2 |
8×φ18 |
8×φ14 |
17.0 |
QL50-152 |
| 165 |
6 1/2" |
2 |
8×φ18 |
8×φ16 |
19.0 |
QL50-165 |
Mission50
|
133 |
5 1/4" |
2 |
7×φ16 |
6×φ14 |
12.5 |
M50-130 |
| 140 |
5 1/2" |
2 |
7×φ18 |
7×φ14 |
13.5 |
M50-140 |
| 146 |
5 3/4" |
2 |
8×φ18 |
7×φ14 |
14.0 |
M50-146 |
| 152 |
6" |
2 |
8×φ18 |
8×φ14 |
14.4 |
M50-152 |
| 165 |
6 1/2" |
2 |
8×φ18 |
8×φ16 |
15.0 |
M50-165 |
Products Pic:
Shank can be available:
1), Dia. 64mm-70mm shank Bulroc BR1
2), Dia. 70mm-95mm shank Halco MACH20, Bulroc BR2
3), Dia. 90mm-102mm shank COP32, COP34, Halco MACH303, M30, DHD3.5, Bulroc BR3
4), Dia. 105mm-152mm shank COP44, DHD340, Halco MACH44, SD4, M40, QL40, Bulroc BR4
5), Dia. 135mm-165mm shank COP54, DHD350R, COP54, Halco MACH50, SD5, M50, QL50, Bulroc BR5
6), Dia. 152mm-254mm shank COP64, DHD360, SD6, M60, QL60, Bulroc BR6
7), Dia. 203mm-330mm shank COP84, DHD380, SD8, QL80
8), Dia. 254mm-380mm shank SD10, Numa100
9), Dia. 305mm-508mm shank DHD1120, SD12, N120, N125
10), Dia. 405mm-864mm shank SD15, SD18
11), VKP80, VKP95, CIR90, CIR100, CIR110, CIR150, CIR200...
Our Production Corners:
Package:
Carton box with foam, then into the ply-wooden cases and or pallet for protecting the products and avoid the damagement during transportation.
Customized package acceptable.
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.
Production Lead-time:
Generally need 15-30 days.
Transportation:
By air, By Express or By sea according to your requests.
Factory Activities:
Should you have any query or demand, pls contact us freely.
Thanks for your time.
Audited Supplier 
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