Our drill bits adopt 2 cutters, flat and dome-shaped cutters PDC drill bit  PDC drill bits are applied to rock formation f≤10, like granite, limestone, sandstone, mudstone, etc., mainly used for gas drainage hole, drainage hole, grouting hole, geological and hydrology...

steel tooth drill bit,1)size from 3 7/8''--26'' 2)117 127 137 147 217 237.etc Steel tooth drill bit1)brand:Longxin2)uesd for:oil well drilling and water well drilling3) color:blue  and meet your demand4)IADC: 117  127 137 217  227  237...

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

Advanced forging technology, top and stable quality, best service and reasonable price Product :we specializes in manufacturing:Tricone bits,steel tooth bit,milled tooth tricone bit,tungsten carbide insert rock bit,tri-cone drill bit ,3 cone bits,rotary bit, TCI tricone bit,PDC...

1)certified by ISO9001&API 2) gauge strengthened 3)Durable bearing and cutting structure 4)20 years history PDC drill bits:New products with super long life, high efficiency and wide application.1) Super long life-10 times than cemented carbide drill bits under the same...

1.size:3 1/2''--26'' 2.IADC:114,127,517.537 3.certified by ISO,API 4.best price rock bit 1,Types: steel tooth tricone bit (mill tooth tricone bit) and tricone bit(tungsten carbide inserted tricone bit),both of which are used for mining pilling, water well...

Advanced forging technology, top and stable quality, best service and reasonable price Product :we specializes in manufacturing:Tricone bits,steel tooth bit,milled tooth tricone bit,tungsten carbide insert rock bit,tri-cone drill bit ,3 cone bits,rotary bit, TCI tricone bit,PDC...

Advanced forging technology, top and stable quality, best service and reasonable price 1.Product :we specializes in manufacturing:Tricone bits,steel tooth bit,milled tooth tricone bit,tungsten carbide insert rock bit,tri-cone drill bit ,3 cone bits,rotary bit, TCI tricone bit,PDC...

PDC for geology exploring series has high abrasion resistance and impact resistance through adopting advancing American technolo 1. PDC for geology exploring series has high abrasion resistance and impact resistance through adopting advancing American technology.2. Meanwhile we...

Be used widely, not only for side tracking, but also for deep hole drilling 1. Be used widely, not only for side tracking, but also for deep hole drilling. 2. Working torque is lower than that of PDC bit under the same WOB and formation conditions, thread expanding problem...