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blast furnace tap hole drill bit drill head steel plant blast furnace drill pipe drill hollow bar drill bar
blast furnace tap hole drill bit drill head steel plant blast furnace drill pipe drill hollow bar drill bar
tap quality,factory directly supply
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Blast furnace drill bit
Application Range: It is suitable for drilling water wells, geothermal wells, short miscopies, medium mini-type grouting hole of building, dam and harbor project.
Design Principles: Make the casing follow easy and the equipment and operation simple.
Outstanding Advantages: Simple structure, easy operation, reliable quality, retrievable drilling tools, and long service life.
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