China OEM Kaishan Air Compressor - Rotary Bit for Blast Hole Drilling – TDS
China OEM Kaishan Air Compressor - Rotary Bit for Blast Hole Drilling – TDS Detail:
The Drill Store takes advantages of the latest design technology and manufacturing processes for our roller cutters, wildly used for raise boring, shaft boring and reverse circulating drillings.
The cutters use roller-ball-roller bearing configurations. Premium ball, roller bearings and proprietary grease in creasebearing life and capacity, which leads to the greatly in creased serving life of the cutters. Our Metal face seals use proprietaryo- ring material. These Metal face seals have prove n to in crease bearing life versus our competitors in harsh environments and tough drilling conditions.
Avalibale IADC
| Series | Application | Operating Parameters | |
| Rotating Speed(RPM) | Weight on Bit-WOB(lb/in) | ||
| 30 | Very Soft | 70-140 | 1000-4000 |
| 40 | Soft | 70-140 | 1000-4000 |
| 50 | Soft to Medium | 50-140 | 2000-5000 |
| 60 | Medium to Hard | 50-110 | 3000-6000 |
| 70 | Hard | 50-90 | 3500-7500 |
| 80 | Extremely Hard | 40-80 | 5000-8000 |
Available Sizes
| Bit Size | ||
| in | mm | Pin Size |
| 6 3/4 | 171 | 3 1/2 |
| 7 7/8 | 200 | 4 1/2 |
| 8 1/2 | 216 | |
| 9 | 229 | |
| 9 7/8 | 251 | 6 5/8 |
| 10 5/8 | 270 | |
| 11 | 279 | |
| 12 1/4 | 311 | |
| 13 3/4 | 350 | |
Product detail pictures:
Related Product Guide:
Our eternal pursuits are the attitude of "regard the market, regard the custom, regard the science" plus the theory of "quality the basic, have faith in the main and management the advanced" for China OEM Kaishan Air Compressor - Rotary Bit for Blast Hole Drilling – TDS , The product will supply to all over the world, such as: Thailand, Madras, Sierra Leone, We confirm to public, cooperation, win-win situation as our principle, adhere to the philosophy of make a living by quality, keep developing by honesty , sincerely hope to build up a good relationship with more and more customers and friends, to achieve a win-win situation and common prosperity.
By Bertha from UAE - 2017.06.19 13:51
As an international trading company, we have numerous partners, but about your company, I just want to say, you are really good, wide range, good quality, reasonable prices, warm and thoughtful service, advanced technology and equipment and workers have professional training, feedback and product update is timely, in short, this is a very pleasant cooperation, and we look forward to the next cooperation!
By Genevieve from Denmark - 2017.08.15 12:36
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