Cangzhou Great Drill Co., ltd specializes in designing, manufacturing, marketing and serving the high performance diamond bits and
drilling tools used in petroleum industry .The company is established by the top experts of the field , and equipped with advanced equipments and facilities .
Our diamond bits named Great , which ranging from 3"to 17-1/2",All the products have been awarded the ISO9001 certificate .
Furthermore , the experienced and knowledgeable service team will ensure all the superior performance of our products in both the domestic and international market .
With our service pursuit "Drilling requirement initially ,Customer satisfaction finally ",we assure the products the best quality by adopting advanced design technology ,manufacturing process and strict quality control .Our company will always improve and innovate to satisfy different needs for all users in the entire world .
Steel tooth bits series
114-117
Soft Formation Tooth Bits
The114-117 bits are used to drill low-compressive strength, soft formations.Long projection tooth lengths are used on high offset cones to provide the greatest penetration rates possible .Wear-resistant hard facing is used to control tooth wear .On the softest bit types this hard facing completely covers the bit teeth .
127
Medium-Hard Formation Tooth Bits
The127 bits are used to drill high-compressive strength,medium hard formations.Short projection teeth with reduced crest length are used in this series of bit designs .Durable hard facing is applied to reduce tooth wear.