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Patent drill with locking series drill bit (1)

Patent drill with locking drill bit series, is our company’s patent product.The series of concrete drill bit are made from European quality tungsten carbide and incorporated with Japanese high toughness steel material.Users can feel the sharpness and high level of toughness of these products during practical use.The biggest advantage of this product series is the significant difference of time and efficiency which compared with other products on the market.For traditional products,construction may take up to eight hours.In contrast,the new generation of drill bits may shorten working hours to two or three hours,effectively reducing working time and substantially increasing efficiency.