16Pcs Drill Bit Set Metal & Cement & Wood & Twist Drill Bit Set

【16PCS three kinds of specifications Specifications】   Material: Twist drill (HSS4241 high speed steel bearing steel) construction drill (hard alloy) woodworking drill (carbon steel)   16pc: 6pcs high speed Steel 4241 Titanium plated Twist Drill (2, 3, 4, 5, 6, 8mm)   5pcs boutique Strong construction drill (4, 5, 6, 8, 10mm)   5pcs three-point woodworking drill (4, 5, 6, 8, 10mm)   [Efficient Drilling]: The torsional bit bank uses a fully abrasive spiral groove design to quickly remove particles, reduce friction and heat, and achieve faster, cooler drilling performance.   [Wide application] Sharp drill blade, faster penetration, a set of tools can be used in metal, construction, carpentry and other industries, to solve a variety of problems.   【 Purpose of each drill bit 】   HSS Twist Drill is suitable for all common sizes of wood/cast iron/aluminum/plastic/fiberglass;   Masonry drill with excellent drilling alloy drill, easy to drill masonry;   Woodworking bits use Brad points, and these specially designed bits are specifically designed to reduce debris.   Material: Metal   Color: Gold + Silver + black