5-Piece Set of High-Speed Steel Twist Drill Bits with Round Shank, Diameters 2mm, 3mm, 3.5mm, 4mm, 5mm, Length 150mm for Drilling Tools, Drills, Milling Machines, Lathes

The twist drill bit is made of high-speed steel, offering high hardness and durability. This set includes 5 drill bits of different sizes and is the most popular type. The extra-long cutting edge allows you to use these bits to drill deep holes. They are ideal for most drilling operations and materials (such as aluminum, wood, and plastic). The sharp twist drill bits will make drilling easier and easier.