12pcs Cobalt Drill Bits 1mm M35 Twist Drill Bit Straight Jobber 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. Fits 3 to 6 in centered. Includes spacer kit to fit most wheelbarrows. Rib tread. White rim. Flat Free Hex Bit Set Hymnorq 1/4 Inch Fractional Size M35 Cobalt Steel Twist Drill Bit Set Of 10pcs, Jobber Length And Straight Shank, Extremely Heat Resistant, Suitable For Drilling In Stainless Steel And Iron Drill Bits For Hardened Steel The fully ground spiral groove design can quickly remove debris, reduce friction and heat, and drill faster. Heat Resistant Premium M42 Cobalt High Speed Steel Maintains Sharp Cutting At High Temperatures ... Drill Aluminum, Steel, Stainless Steel, Titanium Alloys And... Material - The hex drill bit is made of M35 cobalt high speed steel with sharp edge. 1. The hex drill bit is made of M35 cobalt high speed steel with sharp edge. Suitable for stainless steel, copper, aluminum, zinc alloy, cast iron, wood and plastic. Suitable for steel, copper, aluminum, zinc alloy, cast iron, wood and plastic.5. Please keep cool and gentle using, the working life of the twist drill bits can be largely prolonged by proper usage. 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.2. 1/4 hex shank, which can quickly replace the drill bit, eliminates the frustration of the handle rotation on the chuck, and makes it easier to quickly lock to the chuck. Application - Hex twist drill bits are used for applications such as DIY projects, and home maintenance. Feature - 1/4 hex shank, which can quickly replace the drill bit.
