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cheap Geological Drill Bits Product Advantages A. Using super coarse grain cemented carbide as raw material and 100% alloy after pressure sintering, the hardness and toughness of the drill bit can be increased by 30% simultaneously B. Unique design, drilling speed increased by 20%, life increased by 30% C. The bit is made of imported high-quality steel to ensure the consistent overall performance of the bit and the trouser body D. Industry-leading after-sales support, 100% return and replacement of defective products Application It is mainly used in underground mining, open-pit mining, blast furnace opening of steel works, secondary crushing of mines, bolting support, tunneling and other fields. FAQ Q1:Is it all right to make customer's own brand name? A1:Yes, we can provide customized services for customers, and we can make their own brand names. Q2:Are you a manufactuer or trading company? A2:We are a manufacturer.cheap Geological Drill Bits website:http://www.anyuecarbide.com/tungsten-carbide-drill-bits/geological-drill-bits/