Description NEW DIAMOND Symmetric overburden casing drilling system Symmetric is a system comprised of an ingeniously simple concentric method of drilling through overburden with casing. Symmetric can drill ... Read More
Description We adopts famous domesticlarge steel enterprises(such as Anshan lron and Steel Group corporation and Hengyang Steel Group) production of material to produce drill pipe, and heat treatment of ... Read More
Description The drill pipe produced by our company is made of high-end technology. The steel of drill pipe body and joint is selected with high quality materials. Meanwhile, metallurgical technology is strictly ... Read More
Description The drill pipe produced by our company is made of high-end technology. The steel of drill pipe body and joint is selected with high quality materials. Meanwhile, metallurgical technology is strictly ... Read More
Description There are many manufacturers of DTH bit, and the difference between product quality and price is relatively large. The combination of high quality alloy and high quality steel shell with advanced ... Read More
Specifications 1. The threaded drill bits are equiped with the hydraulic drilling jumbo and used for crush rock, which are widely used in the tunnel construction, large scale mine (open and underground) and ... Read More
Description The Thread button drill bits is widely used in metallurgy mine, geological exploration, water conservancy construction, electricity, traffic, tunnel, quarry, national defence stone project etc. ... Read More
Specifications 1. The threaded drill bits are equiped with the hydraulic drilling jumbo and used for crush rock, which are widely used in the tunnel construction, large scale mine (open and underground) and ... 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