Cobalt Number Size Drill Bit Set #1-60, 60Pcs M35 High Speed Steel

Multiple Size Options: Featuring 60 sets of numbered drill bits ranging from #1 to #60, with diameters varying from 0.228" to 0.040" or (5.79mm to 1.02mm), designed to cater to a wider range of drilling needs. M35 Cobalt Drill Bit: Crafted with M35 cobalt, this drill bit is renowned for its durability, sharpness, and robustness. It excels in cutting through stainless steel, iron castings, copper, aluminum, and other soft metals, as well as plastics and wood, making it a versatile tool for various applications. Efficient and Swift: The cobalt drill bit set boasts a 135-degree point tip and twist design, enabling it to work efficiently on both soft and hard materials. Its self-centering feature prevents walk-off and facilitates quicker removal of chips and particles, ensuring faster cutting and smoother operations. HSS Drill Bit Set: HSS cobalt drill bit set for hardened steel with excellent cutting performance. 13 sets of drill bits for long term use. The inserts are hardened and polished for improved sharpness and precise cutting without wobbling Friendly Reminder: It's crucial to maintain a vertical angle before initiating the drilling process to ensure the drill bit aligns properly with the corresponding hole. If you encounter difficulty in pulling out the drill bit, it may be due to it getting stuck in the protective sponge beneath. In such cases, try repositioning it vertically a few times before gently pulling it out to avoid any potential breakage.