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8" dth button bit for mining,water well drilling with a large stock

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8" dth button bit for mining,water well drilling with a large stock

 

product description:

TCI BITS for Medium  - Medium hard  formations
Features large chisel-shaped tungsten carbide inserts to provide the highest penetration rates in the softest 

formations such as , clays, limestone and sands.

IADC CODES 437 - 517 - 527

TCI BITS for Medium Hard - Hard formations
Effective in a variety of formations with higher compressive strength such as hard limestone,

 sandstone, dolomite and other formations with high abrasive quality, hard streaks and broken formations.
IADC CODES 617 - 627 - 637

TCI BITS for Hard and abrasive formations
With hemispherical tungsten carbide inserts. To optimize penetration rate in hard and abrasive

 formations such as granites, basalts, quartzite and chert. Drilling weight of 3 ± 4 tons per inch of diameter 

should be applied.
IADC CODES 732 - 737 - 837

 

 tci tricone rock bit  photos of profiles&details-------Deris


 

packing: wooden case ,  iron box or as your requipment

 

shipping: by sea or by air

hi, welcome to visit our company--- Deris

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.

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