2024 Big sale 10pcs M8 HSS Screw Tap Kit High Speed Steel 6.8mm Drill Bits Hex Shank Tapping Tools

1、6542 high?speed steel material higher hardness and more durable can even be used for drilling 2mm 304 steel plates. 2、Adopt titaniums coating anti?rust and anti?corrsion ensures long service life reliable to use. 3、Complete hole drilling tapping and deburring/countersinking in one operation with power drill – saves labor time. 4、Applicable to some types of carbon steel and ordinary steel copper and aluminum magnesiums alloy drilling hole. 5、Including 10pcs screw tap practical and economic which can completely meet your needs.