WellCut Screwdriver Drill Bit Set, 41 Piece Durable Set Plus Portable Case With Drill Accessories, For Masonry, Metal, Wood Maintenance Repair DIY Projects

HIGH-QUALITY MATERIAL: All accessories of this set are made of special steel grades that are used in the production of professional tools. Screwdriver bits made of special Taiwanese S2 steel, which, in combination with high-frequency hardening, provides the bit with optimal hardness and does not break when working with screws of any hardness. Sockets are made from Cr-V 6150 steel. EASY METAL DRILLING: HSS drill bits made of special high-speed steel S4341, 135° split point trip for fast drilling. Bright finish for accurate hole dimensioning and high concentricity. Drilling with u-flute for cleaner holes. MULTI-FUNCTIONAL: Confidently take on metal, masonry, and woodwork jobs with the comprehensive WELLCUT 41 pcs drill & screwdriver bit set - comes with drill bits, screwdriver bits, nut drivers, and more. HIGH-PERFORMANCE SPECIALTY DRILL BITS: Masonry drill bits w-flute type with 4 dust extraction grooves. And Wood drill bits: made by milling with a wide ribbon, sanded and sharpened using the half ground method. 3 point brad design ensures precise drilling EXTRA-STRONG MAGNET: Magnetic force of >400G securely holds the drill bits firmly in place PORTABLE STORAGE CASE: A convenient storage case is included to ensure your bits stay organized and can easily be stored away VERSATILE AND APPLICABLE: Great for fix ups around the home, on the job or for general maintenance