HARFINGTON M35 High Speed Steel Cobalt Twist Drill Bit Set 1.5/2/3/4/5/6/8/10mm with Quick Change 1/4" Hex Shank Jobber Drill Bit for Metal, Steel, Copper, Aluminum, Zinc Alloy
Size - This drill set contains drills in diameters of 1.5mm/2mm/3mm/4mm/5mm/6mm/8mm/10mm, 1pcs of each size can meet more needs in your working processes, 1/4 " fast changing hex shank can improve working efficiency
Material - The hex drill bit is made of M35 cobalt high speed steel with sharp edge. High-temperature heat treatment makes the metal drill bit has higher hardness, better wear resistance and corrosion resistance, and longer service life than ordinary drills.
Feature - 1/4 " hex shank, which can quickly replace the drill bit. The fully ground spiral groove design can quickly remove debris, reduce friction and heat, and drill faster. The 135 ° straight shank split point reduces walking on the working face, making drilling accurate and easy.
Application - Hex twist drill bits are used for applications such as DIY projects, and home maintenance. Suitable for stainless steel, copper, aluminum, zinc alloy, cast iron, wood and plastic.
Note - Please keep cool and gentle using, the working life of the twist drill bits can be largely prolonged by proper usage.