1.size range from 3 7/8" to 26" 2.Covers almost all IADC code. 3.Meet with API Spec7-1 Standard 4.Reliable quality 1.Cutting StructureThe durability of premium tungsten carbide inserts is improved with new formulas and new techniques for insert bit. 2.Gauge...

Oppose-circumnutation design suitable for medium to hard formation This type of PDC is suitable stratum from soft to medium hard geological, and widely applied to oil drilling, geological exploration and coalfield development, etc. The PDC has various shapes, with even and tight...

1)certified by ISO9001&API 2) gauge strengthened 3)Durable bearing and cutting structure 4)20 years history 1: efficient drilling of soft to medium formations such as shale, red bed, limestone and other strata of low compressive strength with hard streaks or...

1.Inter-fitted rows of teeth prevent formation packing 2.Carbide Tri-Cones 3.Sizes range from 4 3/4 to 26 For hard sandstones, granites, dolomites, quartzite and pyritesThese Tri-Cone  Bits are designed to withstand high loads and drill abrasive conditions where rock is...

1.Sizes rang from 3 7/8" to 26" 2.Covers almost all IADC code. 3.Reliable quality and reasonable price Hard, well-compacted rocks such as: hard silica limestones, quarzite streaks, pyrite ores, petryfied, hematite ores, magnetite ores, chromium ores, phosphorite...