water or oil rock bit - IADC417-637

Hebei Zhan kui Drill Equipmen co.,ltd .Specializes in drill bits ,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)rock bits(TCI bit and steel tooth bit) .

TCI bits

1,Soft formations(417,437,517,537)

Features large chisel-shaped inserts to provide the highest penetration rate in the softest formations such as shales, clays, limestone and sands.

2,Soft to medium formations(617,637)Designed to drill effectively in formations such as hard limestone, dolomite, hard sands, and other formations with hard cherty.

3,Medium to hard formations(737)

For extremely hard formations such as chert, granite, flint, and taconite. Features short, closely-spaced inserts to ensure maximum penetration rate and wear resistance.

Milled tooth bits

1,Soft formations(114-117)

These bits are designed to drill the softest formations such as soft shales,red beds, and clays, with high durability and maximum penetration rates.

2,Soft to medium formations(121,124,126,134,136,137)

These bits are designed to drill formations such as shales, medium soft limestone, Medium sandstone and other formations with intermittent hard streaks.

3,Medium to hard formations(213,214,215,217)

These bits are designed to drill formations such as hard sandstone, dolomite, and broken formations with hard cherty streaks

By the way ,we import the scraped drill bits ,tricon bits .If you have the products .pls do not hesitate to contact me .