Factory source Portabl Diesel Air Compressor - Rotary Bit for Blast Hole Drilling – TDS
Factory source Portabl Diesel 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:
We've got a highly efficient group to deal with inquiries from shoppers. Our purpose is "100% client fulfillment by our product high-quality, price tag & our staff service" and enjoy a superb reputation amongst clientele. With quite a few factories, we will provide a wide variety of Factory source Portabl Diesel Air Compressor - Rotary Bit for Blast Hole Drilling – TDS , The product will supply to all over the world, such as: Dubai, Riyadh, Berlin, We have a strict and complete quality control system, which ensures that each product can meet quality requirements of customers. Besides, all of our products have been strictly inspected before shipment.
After the signing of the contract, we received satisfactory goods in a short term, this is a commendable manufacturer.
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