G.T International Co., Ltd. Ltd
G.T International Co., Ltd. Ltd
Expert of Rock Drilling Tools

With over 60 years of experience in the rock drilling industry, SANDCO has established itself as a leading manufacturer for a wide range of high quality drilling tools, which made to international standards.

    1. Professional Expertise
    2. Professional ExpertiseWe have the knowledge and expertise in the rock drilling industry, which are verified during 60 years of engagement. We are justifiably proud of ourselves as the largest manufacturer of rock drilling tools in Asia.
    1. Low Cost Solution
    2. Low Cost SolutionOur team of experienced professionals works with each customer through the entire process from concept validation to product delivery. We provide customers with low costs since we do everything in-house, such as raw steel smelting, forming, heat treatment and final inspection.
    1. Premium Quality
    2. Premium QualityWe adopt a number of manufacturing equipment form world's renowned brands, such as SANDVIK, DMG and OKUMA, to ensure that all our rock drilling products meet international standards and customer's quality demands.
Company Profile
About SANDCO

SANDCO is a drilling tools manufacturer with decades of experience in providing comprehensive drilling solution, including R&D, manufacturing, sales and raw material processing.

We were founded over half a century ago. In such a short period, we have obtained UL & ISO certification and become the largest manufacturer of rock drilling tools in Asia. Our annual export generates 100 million US dollars and we capture over 70% of China’s market share of drilling tools.

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Main Products
    1. Reaming Bits
    2. Reaming BitsSANDCO’s reaming bits can be used with drill and drifter to drill smooth holes, especially the ones with large diameters. To accommodate customer-specific installation needs, our reaming bits can be made with different thread types, like R32, R38, T38, T45 and T51.
    1. Threaded Button Bits
    2. Threaded Button BitsThis threaded button bits are made to create holes with a large diameter. It has threads and, through the threads, can be connected to different threaded drill rods, like both shank rods and extension rods, drifter rods, MF rods and guide rods.
    1. Tapered Drill Bits
    2. Tapered Drill BitsOur tapered drill bits can be made into three shapes, tapered cross bits, tapered chisel bits and tapered button bits, which can definitely meet customers’ demands to drill holes with a small diameter. Typically, tapered drill bits are used with small handheld rock drills.
    1. Guide Rods / Guide Tubes
    2. Guide Rods / Guide TubesThis guide rod is made with a large diameter and thus is suitable to be used with hydraulic drilling rigs. To make the drilling smoother, we introduce this guide tube with threads in different sizes, including R32, R35, SR35, R38, T38, T45, T51, T60, ST58, ST 68.
    1. Integral Drill Steels
    2. Integral Drill SteelsThis integral drill steel is suitable to drill holes with a small diameter. Given that this drill steel’s head is equipped with tungsten carbide, it can drill rocks with no need to be connected with tapered drill bits.
    1. DTH Drill Bits
    2. DTH Drill BitsDTH drill bits are used to drill holes with a large diameter. It is widely used in the urban construction industry, most commonly used before blasts are conducted on construction sites.
    1. Shank Adapters
    2. Shank AdaptersShank adapters are rock drilling tools for the connection of rock drills and drilling rods. They are mostly used in quarries, mines and construction sites.
    1. Coupling Sleeves
    2. Coupling SleevesCoupling sleeves are mainly used to prolong drilling rods by putting them together. They are mostly used in quarries, mines and construction sites.
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