Leading Manufacturer for Pure Germanium - Sliver Compound Drilling Tools With Tungsten Carbide Material – Shanghai HY Industry
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Leading Manufacturer for Pure Germanium - Sliver Compound Drilling Tools With Tungsten Carbide Material – Shanghai HY Industry,
Product Information
• drill has long life: equipped with exclusive technology — GB A class of high-grade carbide ball gear, strength ≥2800N, hardness (HRA) ≥92.
• High quality drilling, tunneling speed, high efficiency, long life and other advantages.
• external waveform threaded connection, pressure is 0.5-0.7Mpa, use impact drill casing.
• widely used in railway, highway embankment, and power plant project, the slope solid pile hole excavation
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