M35 HSS(High Speed Steel) Made of M35 HSS(High Speed Steel) cobalt steel. With high hardness and red hardness, wear-resistant, and fast drilling performance.
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Parabolic Flute The parabolic flute adopts a wide groove structure to increase the chip flow rate and ensure fast and easy chip removal and rapid penetration.
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Note Please keep cool and gentle using, the working life of the twist drill bits can be largely prolonged by proper usage
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