Zhuzhou Jinxin Eccentric Overburden Casing Drilling System carbide drill bits
Our Advantages
1. We are a true production manufacturer and are among the best in the industry of rock drilling tools.
2. We really do the high-end quality, low-end price.
3. We have a technical team with a backbone of research and development and a graduate of a professional college. At present, our company has successfully applied for a number of invention patents and practical performance patents.
4. We have an independent quality testing center with complete testing equipment to achieve 100% inspection before shipment.
5. We promise: The raw materials used are 100% high quality raw materials. If it is the quality problem caused by our reasons, we will take 100% responsibility and return the goods.
6. We can order all kinds of non-standard products according to customers' drawings and requirements. Sincerely welcome you to visit our factory for on-site inspection.
Eccentric Drill Bit
Eccentric is the most economical solutions because its ingenious reaming wing the bit is retrievable can be used at the next hole. This is particularly design for shallow holes, as is often the case in water well drilling, geothermal wells and for shallow micro-piling work.
Eccentric is ideal for short holes in consolidated overburden. The component of Eccentric system consists of Pilot bits, Reamer bits, Guide device and casing shoe. When drilling, the reamer bit will rotate out to enlarge the hole which enough for the casing tube slide down behind the reamer. When reached required depth, the drill pipe will drill to the reverse direction and the reamer bit will retract, it is allowing the whole drilling system to pass through the casing.
The below size of Eccentric systems which are available, and the special design is upon customer s requirement: Eccentric 90, Eccentric 114, Eccentric 140, Eccentric 165, Eccentric 190 and Eccentric 240 .
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Eccentric Overburden Casing Drilling System Shallow Holes Drilling Usage Images
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