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Audited Supplier We can design and manufacture according to customer's requirement of the Bit Dia\No. Air holes\carbide button shape and the face shape. High air pressure and low air pressure.
| DIA | No*Buttons diameter,mm | Flushing Holes | Weight(kg) | Part NO | |||
| mm | inch | Gauge Buttons | Mid button | Front Buttons | |||
| 90 | 3 1/2 | 6*14 | 2*13 | 2*12 | 2 | 3.7 | CIR90-90 |
| 100 | 4 | 6*14 | 2*13 | 3*12 | 3 | 4.2 | CIR90-100 |
| 110 | 4 1/3 | 6*14 | 3*13 | 3*12 | 3 | 4.6 | CIR90-110 |
| 120 | 4 3/4 | 6*14 | 3*13 | 4*12 | 3 | 5.4 | CIR90-120 |
| 130 | 5 1/10 | 7*14 | 3*13 | 4*12 | 3 | 6 | CIR90-130 |
Our main products:
1. DTH Hammer, DTH bit, Drill rod
2. Top hammer bit, Shank adapter, Drill pipe, coupling.
3. Taper button bit, chisel bit, cross bit,taper rod.
4. Air compressor and drilling machine.
The information you may like to know before order:
1. Methods of Payment:
T/T (Telegraphic Transfer) or Western Union or L/C at sight
2. Handling time for an order
Based on order quantity, normally it takes 25 days for production.
Only 2 or 3 days if we have stock on your request size.
3. Shipping way
Sample order: we suggest Courier express like DHL/UPS/TNT/FEDEX or by air
Bulk order: we suggest by air or by sea.
4. Quality Control
We have our own experienced QC.
There will be strict inspection and testing for every order before shipping out.
5. After Services:
a. Our sales team will response for your question within 24 hours (Holidays Excluded)
b. Technical Support will be available in any time
c. Free replacement will provide once the failure confirmed caused by our product quality
Suppliers with verified business licenses
Audited Supplier 
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