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Production description:
1. Integral drill steels/ rods are used by a hand held drill machine in underground mining and for small hole drilling, equipped with small power rock drills, like air leg rock drills, hand held rock drills, etc. It can reduces the expense of impact energy, improves the drilling speed and efficiency, also it can be used for drilling bore hole diameter from 30mm to 41mm usually. Regarding Integral drill steels,the quality of a steel material and a tungsten carbide is very important to get good drilling performance.
2. Shank H22*108mm, H19*108mm , and standard hex. Bit diameters range 20-42mm, different lengths are available from 400mm to 6000mm usually.
tungsten carbide Shank Hex 19 Integral Drill Rod
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