Detailed Product Description   1.This type of bits are used in high press resistance hard formation,hard limestone,anhydrite,dolomite,chert,firm sanstone,etc.,It can work in a low RPM and higher WOB with stable drilling speed.2.TCI buttons are used ot protect gauge and...

Detailed Product Description   We are professional rock bit,PDC bits supplier ,PDC bits,big diameter piling bits,special type bits can be produced in special order,and we are trader of famous brand rock bit.Bit size range from 3 7/8"to 26",cover most of IADC codes,standard...

Detailed Product Description   We are professional rock bit,PDC bits supplier ,PDC bits,big diameter piling bits,special type bits can be produced in special order,and we are trader of famous brand rock bit.Bit size range from 3 7/8"to 26",cover most of IADC codes,standard...

Detailed Product Description   We are professional rock bit,PDC bits supplier ,PDC bits,big diameter piling bits,special type bits can be produced in special order,and we are trader of famous brand rock bit.Bit size range from 3 7/8"to 26",cover most of IADC codes,standard...

Detailed Product Description   We manufacturer Tungsten Carbide Inserted Tooth and Milled Tooth Tri-cone Rock Bits 1.Bits sizes range from 3 7/8" to 26" .2.Covers almost all IADC codes .3.The bits can be produced according to your special order.4.Used for mining,...

Detailed Product Description   1.Sizes range from 3 7/8" to 26" , normal sizes consist of 5 7/8", 6", 6 1/2", 7 1/2", 8 1/2", 9 1/2", 9 5/8", 9 7/8", 12 1/4",13 5/8", 14 3/4", 15 1/2", 16", 17 1/2",22",...

Detailed Product Description   We manufacturer Tungsten Carbide Inserted Tooth and Milled Tooth Tri-cone Rock Bits 1.Bits sizes range from 3 7/8" to 26" .2.Covers almost all IADC codes .3.The bits can be produced according to your special order.4.Used for mining,...

Detailed Product Description   1. Tungsten carbide insert cutter of high strength and toughness is used to increase the impact resistance of cutters and decrease the breakage rate.2. The features of TCI bits lead to its drilling formation almost are hard rocks,like limestion , dolomite ,...

Detailed Product Description   1. Bigger diameter for piling in construction field, bridge construction, super highway construction,railway construction ,etc.2. This series of bits are suitable for different complexe formation, shales, limestone, cobblestone, dolomite, chert  , etc.3....

Detailed Product Description   1. Tungsten carbide insert cutter of high strength and toughness is used to increase the impact resistance of cutters and decrease the breakage rate.2. The features of TCI bits lead to its drilling formation almost are hard rocks,like limestion , dolomite ,...