Great Wall Drill Diamond(Hong Kong) Co.,

Thread bit is produced in different sizes and designs in order to optimize their application to a broader scope of rock drilling conditions and corres

The CH series DTH hammers, an ideal drilling tools, which are used for Ore mining, quarrying, well drilling, and other construction project.working wi

Taper Button drill bit is used for different kinds of rock formations, and has good application on quarrying, Coal mines, well drilling and other con

Chisel rock drill bit is Widely used in drilling holes with depth less than 5 meters and diameter ranged in 32-60mm by light-duty rock drilling. Pl

Couplings sleeve are used to connect several rods to each other. Place of Origin: Hunan China (Mainland) Brand Name: Great Wall Model Number: Rock Dr

DTH bits areused for blast hole drilling, working with DTH hammer, mainly applied for Mining, Marble quarryorwell drilling and other construction proj

A brief introduction of Eccentric Casing system: 1. When drilling starts, the reamer swings out and reams the pilot-hole wide enough for the casing tu

Symmetric is a system comprised of an ingeniously simple concentric method of drilling through overburden with casing.Symmetric can drill straight hol

DTH bits areused for blast hole drilling, working with DTH hammer, mainly applied for Mining, Marble quarryorwell drilling and other construction proj

DTH bits areused forOre mining, quarrying, well drilling, other construction project. We can supply a full range ofHigh Air PressureDTHrock drilling b

DTH bits areused for blast hole drilling, working with DTH hammer, mainly applied for Mining, Marble quarryorwell drilling and other construction proj

DTH bits areused for blast hole drilling, working with DTH hammer, mainly applied for Mining, Marble quarryorwell drilling and other construction proj