FRKSMD-3/8" Drill Bit, Jobber Straight Shank M35 Cobalt 5% High-Speed Steel 135° Gold Finish for Stainless Steel Hard Metal - 2 Pack

[1] APPLY TO - Jobber drill bits are essential tools for household DIY projects because of their simple design and user-friendly operation, making them suitable for non-professional users to get ted quickly. They are suitable for drilling various metals, including stainless steel, iron, aluminum, and copper, and are also effective for drilling wood and plastic materials.[2] SPECIFICATION - The drill bit has a cutting diameter of 3/8" (9.525mm), a shank diameter of 3/8", a flute length of 90mm/3.54 inch, an overall length of 127mm/5 inch, and a 135° point tip.[3] INSTRUCTION - Set the suitable speed according to the material's hardness and the drill bit diameter. Higher speeds can be used for softer materials, while lower speeds should be applied for harder materials. Please refer to the details provided on the product page.[4] ADVANTAGE - M35 High-speed steel is a type of high-speed steel that contains 5% cobalt. It has higher hardness and wear resistance, with cobalt ensuring the hardness and toughness of the drill bit. It is suitable for drilling various metals, such as stainless steel, iron, copper, aluminum alloys, and cast iron. Gold Finish can further enhance the drill bit's wear and corrosion resistance, thereby extending drill bit's service life.[5] QUANTITY INCLUDED - Set contains 2pcs x 3/8" drill bits, perfect for home use, repairs, and small manufacturing projects. (Notice The use of coolant during the drilling process effectively reduces temperatures, extends tool life, and improves machining results.)