KWB HSS Sheet Metal Step Drill BIT Set 3 Pieces for Stainless Steel

HIGH-QUALITY MATERIAL: The sheet metal step drill bits are made of premium HSS, ensuring excellent performance and durability when drilling holes in hard steels and stainless steel. VARIABLE STEPPING: The set includes 3 step drill bits with a range of sizes and a polished surface: 3-14 mm, 6-20 mm, and 16-30 mm, allowing for precise and versatile drilling options. CLEAN AND PRECISE DRILLING: For optimal results, it is recommended to use the sheet metal drill bit with a drop of cutting oil, ensuring clean and accurate hole formation in the metal. UNIVERSAL SHAFT DIAMETERS: The drill bits are suitable for use with all common cordless screwdrivers and drills, featuring shaft diameters ranging from 6 to 9 mm. DIMENSIONS: The total lengths of the metal drill bits are 63 mm, 67 mm, and 76 mm, with working lengths of 38 mm, 43 mm, and 54 mm.