Audited Supplier
Tricone bits mian model
| IADC | Rock formation | WOB (KN/mm) | PRM(r/min) |
| 417/427/437 | Low compressive strength, high drill-ability and extremely soft formation, like shale, clay, sandstone, conglomerate etc | 0.35~0.90 | 140~70 |
| 447 | Low compressive strength, high drill-ability and soft formation, like shale, clay, sandstone, soft limestone, salt rock, plaster etc. | 0.35~1.00 | 140~60 |
| 517 | Low compressive strength, high drill-ability and soft formation, like shale, clay, sandstone, soft limestone, salt rock, etc | 0.35~1.05 | 120~50 |
| 527 | Soft formation with low compressive, like Low compressive strength, high drill-ability and soft formation, like shale, clay, sandstone, soft limestone, salt rock, anhydrite etc. | 0.35~1.05 | 120~50 |
| 537/547 | Low compressive strength, medium hard formation with hard abrasive interlayer, like Hard shale, anhydrite, soft limestone, sandstone, dolomite with mezzanine, etc. | 0.50~1.05 | 110~40 |
| 617/627 | High compressive strength, medium hard and thick hard interlayer, like hard shale, limestone, sandstone, dolomite, etc. | 0.50~1.05 | 80~40 |
| 637/737 | High compressive strength, medium hard and high abrasive formation, like limestone, dolomite, sandstone, chert, etc. | 0.7~1.20 | 70~40 |
About our factory
Putian Qideli Engineering Equipment Co., Ltd. is a research and manufacturing enterprise specialized in rock drilling machinery. It located in Putian, the hometown of Mazu. It covers an area of 11, 000 square meters, a production plant of 5, 000 square meters, and hundreds of employees. It has nearly 300 sets of processing, R & D and testing equipment for the production of rock drilling machinery. The company′s products are as follows: China′s advanced high pressure DTH hammers; Various DTH drill bits; Various threaded drill bits; Drill bits and coupling; New type water well drilling rigs, open-air drilling rigs; Drill pipe, coupling head and other drilling rig accessories.
A.Quick response in 24 hours when there are any further inquiries, complaints,testing feedback.later order confirmation etc.B.Online Technical support covering dis-assembly, maintenance, operators training, is always available when customers meet the problems in different applications.
C. Quality warranty. Free replacement is offered as long as the hammer is damaged due to our quality problem which is confirmed by our engineer from customer's precise and on-time feedback.
D.Routine Visit. To get to know more of the precise needs and the applications of our distributors and large end customers and meantime to keep good relationship with them, our overseas sales managers work very hard to pay a visit to our customers at least one time per year E.Tailored services like OEM,ODM, and special requests covering painting color, logo, packing etc., are also available.
FAQ
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. Can you customize the product?
We can customize products according to your required diameter, thread type ,thickness color ect...... We can produce by your samples or technical drawings.
6. 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
d.24 Hours service hotline:
