Description Thread button drill bits are made by high quality alloy steel bar and tungsten carbides. Through heattreatment, our drilling tools are tough enough to meet rock drilling demands and have the least ... Read More
PR54 cemented carbide reverse circulation bit DTH Button Bits Description Wide range of application: the bits are wide used in the soft, medium-hard rocks(able to drill a rock hardness of F9) of carbonate rock... Read More
Description By using high-quality raw materials, utilizing advanced craft technologies and imposing strict quality inspection, the product range covers: down the hole hammers and bits(dth hammers and dth bits), ... Read More
Description Thread button drill bits are made by high quality alloy steel bar and tungsten carbides. Through heat treatment, our drilling tools are tough enough to meet rock drilling demands and have the least ... Read More
Description Thread button drill bits are made by high quality alloy steel bar and tungsten carbides. Through heat treatment, our drilling tools are tough enough to meet rock drilling demands and have the least ... Read More
Normal Internal thread GT60 Top Hammer Drill Bits Cemented carbide steel Raw material 1. use high quality alloy steel, good wear resistance. 2. under high temperature condition, it has high hardness, toughness, ... Read More
Description Thread button drill bits are made by high quality alloy steel bar and tungsten carbides. Through heat treatment, our drilling tools are tough enough to meet rock drilling demands and have the least ... Read More
ND45A Hole Opener Bit Drilling Tool For Drifting And Tunneling Machine Description New diamond DTH hole openers can provide hole enlargement for various down-the-hole hammer drilling application needs, reasons ... Read More
Description Thread button drill bits are made by high quality alloy steel bar and tungsten carbides. Through heat treatment, our drilling tools are tough enough to meet rock drilling demands and have the least ... Read More
Drilling pressure is a necessary condition for bottom hole rock breaking. The size of the weight-on-bit determines the method and characteristics of rock breaking, which directly affects the drilling speed and ... Read More