Details: *Portable and stationary use (in punch press). *135 point split point tip. *HSS-Co Drill Set for high strength steel, such as stainless steel. *It is difficult to machine the workpiece can be processed in stainless steel, tool steel, through heat treatment, *M35 high speed steel cobalt for high hardness, high wear resistance and high hardness. *Cobalt alloy to improve heat resistance that will work and exceed normal HSS bits, especially if your work involves difficult metals *Radial drill, bench drill or manual drill chuck can be used for drilling operations. *Material: HSS-Co M35 Cobalt *Color: As Pictures Show *Surface treatment: Roasted Yellow *Diameter: 1-13mm *Shank: Round *Application: Stainless steel, steel, iron, aluminum and other metal pipes job openings. *Quantity: 1pc Package Contents: 1*M35 Cobalt Drill Bit Note: 1.The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2.Please allow slight manual measurement deviation for the data. Made of high quality material, durable and practical to use. Perfect functions,give you a wonderful experience. We will ship it ASAP,when you place the order. If you have any questions, please feel free to contact us, we will solve it for you. Every customer can enjoy 30 days refund or replacement for Damaged/Quality Issues.