Drill Bits
4 productsDrill Bits products from Jiangsu Guotai International Group Co., Ltd..
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Fractional HSS Drill Bit Set, 19 Pieces
This 19-piece drill bit set is constructed from high-speed steel (HSS). The black and gold finish provides increased wear resistance and lubricity, extending the life of the drill bits.
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Cobalt High-Speed Steel Twist Drill Bits
High-speed steel (HSS) twist drill bits contain 5% cobalt for enhanced heat and wear resistance. Their twist design facilitates efficient chip removal and reduces friction, leading to faster, more precise drilling in metalworking, manufacturing, and construction.
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