tapered drill rod online manufacture

T51 89mm High Speed Drill Bits / Button Drill Bit 33 - 178mm Diameter For Mining JCDRILL Thread Retract Button Drill Bit Retractable rock drill button bit is well known for its high wear resistance on medium... Read More

Forging Thread Button Bit / Rock Drilling Retractable Button Bits Black Color JCDRILL Thread Retract Button Drill Bit Retractable rock drill button bit is well known for its high wear resistance on medium-hard ... Read More

JCDRILL T45 102mm High Speed Steel Drill Bits / Tungsten Carbide Dilling Bits Retract Button Bit JCDRILL Thread Retract Button Drill Bit Retractable rock drill button bit is well known for its high wear ... Read More

Tungsten Carbide Rock Drill Bits Tools Retract Thread Buttons Exploration Drilling Bits JCDRILL Thread Retract Button Drill Bit Retractable rock drill button bit is well known for its high wear resistance on ... Read More

Precision T51 Retract Industrial Drill Bits / Thread Button Bits 33 - 178mm Diameter JCDRILL Thread Retract Button Drill Bit Retractable rock drill button bit is well known for its high wear resistance on ... Read More

T51 Rock Drilling Tools / Drop Center Hard Rock Water Well Tungsten Carbide Drill Bits JCDRILL Thread Retract Button Drill Bit Retractable rock drill button bit is well known for its high wear resistance on ... Read More

JCDRILL Thread Retract Button Drill Bit Retractable rock drill button bit is well known for its high wear resistance on medium-hard to hard abrasive rock formations (between 200 Mpa to 260 Mpa compressive ... Read More

JCDRILL Button Bits Rock Drill Bits T38 Retract Bits Thread Rock Drill With Forging JCDRILL Thread Retract Button Drill Bit Retractable rock drill button bit is well known for its high wear resistance on medium... Read More

T45 Top Hammer Button Drill Bits 33 - 178mm Diameter For Mining Quarry Project Application Our company top hammer drill bits are made by high quality alloy steel bar and tungsten carbides. Through heat ... Read More

JCDRILL Thread Reaming Button Drill Bit Reaming bits made from high alloy steel and tungsten carbide as same grade as internationally well-known brand Apply "hot (thermal) -insertion" processing procedure to ... Read More