10Pcs Tap Drill Bits HSS 6.1 Hex Square Shank Ti Coated Composite M5 Hardware Hand Tools

1、Using 6542 high-speed steel material come with higher hardness and more durable 2、These taps can even be used for drilling 2mm 304 steel plates. Ti coating is anti?rust 3、Complete drilling tapping and deburring/reaming with an electric drill in one operation-saving labor and time 4、Suitable for drilling certain types of carbon steel and ordinary steel copper and aluminum-magnesium alloy 5、Support internal chip removal function convenient for your drilling very practical