new rock bits

Hebei Zhan kui Drill Equipmen co.,ltd .Specializes in drillbits ,drill pipe,Mud pump and stabilizers 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 .By the way ,we import the scraped drill bits ,tricon bits .If you have the products .pls do not hesitate to contact me . TCI bits series 437 Soft Formation TCI Tricone Bits This cutting structure design,combined with maximum cone offset,results in high bit penetration rates.The deep intermesh of cutter rows prevents bit bailing in sticky formations . 517 Medium Formation TCI Tricone Bits This design provides a fast drilling rate and added cutting structure durability in medium-to-medium hard formations .The HSN rubber O-ring provides adequate sealing for bearing durability. 637 Hard Formation TCI Tricone Bits The 637 bits are used in the outer rows to prevent loss of bit gauge .Maximum numbers of hemispherical shaped inserts are used in all rows to provide cutter durability and long life . 617 Medium-Hard Formation TCI Tricone Bits This design provides a fast drilling rate and added cutting structure durability in medium to medium hare formations .The HSN rubber O-rin provides adequate sealing for bearing durability.