Soft Formation Tooth Bits The 114-117 bitsare 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 . Medium-Hard Formation Tooth Bits The 127 bits are used to high-compressive strength medium hard formations . Short projection teeth with reduced crest length are used in this series of bits designs . Durable hard facing is applied to reduce tooth wear . 3.
Size from 3 7/8" to 26" Covers almost all IADC code. Stocks adequate&timely delivery Good quality and after-sale service 30 years experience in tricone rock bit
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We are Hejian Deris Petroleum drilling equipment Co., Ltd Drilling Supplies Marketing Dept. specializes in drill bits, drill pipe, Mud pump and stablizers for water well, oil field, construction, geothermal, directional boring, and underground foundation work all over the world. Our purpose is to sell the best quality products at the lowest possible price.
We are a professional supplier of new and used(rebuilt) drill bits. Including tricone bits, PDC bits and drill pipe. Various of madel and ... View detail