TMAX 10 pc 3mm Cobalt Jobber Drill Bits Set, M35 High Speed Steel

10 pc 3mm Cobalt Jobber Drill Bits Set, M35 High Speed Steel CONTAINS: 10 High Speed Cobalt Steel Drill Bits in 3mm. Work length is 1-5/16" (33mm), total length is 2-7/16" (62mm). DURABILITY: Made of Industry grade M35 high speed steel for maximum durability and wear-resistance. APPLICATIONS: Suitable for cutting through various hard metals such as steel, stainless steel, sheet metal, cast iron, as well as wood, plastic, aluminum alloy, and other soft metals. Bits come in a convenient storage case. BEST PRACTICE: Drill at a slow speed. The faster a bit spins, the hotter it gets. And heat dulls bits quickly; Apply a coolant or cutting fluid to dissipate heat and lubricate the drill bit; Hold working material steady for greater accuracy and better results.