Big discounting Core Sample Drilling Rig - Rotary Bit for Blast Hole Drilling – TDS
Big discounting Core Sample Drilling Rig - 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:
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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 Big discounting Core Sample Drilling Rig - Rotary Bit for Blast Hole Drilling – TDS , The product will supply to all over the world, such as: Marseille, Ecuador, Canberra, We focus on providing service for our clients as a key element in strengthening our long-term relationships. Our continual availability of high grade products in combination with our excellent pre-sale and after-sales service ensures strong competitiveness in an increasingly globalized market. We are willing to cooperate with business friends from at home and abroad and create a great future together.
By Doris from Hongkong - 2018.02.12 14:52
The enterprise has a strong capital and competitive power, product is sufficient, reliable, so we have no worries on cooperating with them.
By Eden from Norwegian - 2018.08.12 12:27
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