Diablo® 29-Piece Metal Demon™ Drill Bit Set with Thermos delivers exceptional durability, precision, and versatility for metalworking, construction, automotive repairs, fabrication, and general drilling applications. Featuring Diablo's innovative Metal Demon™ drill bits with Thermal Shield Protective Coating, this premium set is engineered to resist heat buildup and provide up to 30 times longer life compared to standard titanium, cobalt, or black oxide drill bits. Designed as an all-in-one drilling solution, these high-performance bits efficiently cut through mild steel, hardened steel, stainless steel, cast iron, sheet metal, wood, and plastic, eliminating the need to frequently switch between specialized bits. Each bit features a precision-ground cutting edge and 130-degree hybrid split-point tip for fast starts, reduced walking, and accurate hole placement, delivering up to 2 times faster drilling performance in metal applications. Advanced CNC grinding technology helps minimize wear and improve cutting efficiency, while the three-flat shank design prevents slippage and enhances torque transfer for greater control. Engineered for productivity, these drill bits can deliver up to 50% more holes per battery charge, helping reduce downtime on demanding jobs. The convenient 29-piece assortment provides a versatile selection of drill bits for a wide range of applications, while the included thermos adds extra value to this practical set. Combining professional-grade performance, extended durability, and convenient versatility, the Diablo® Metal Demon™ 29-Piece Drill Bit Set is an excellent addition to any contractor's toolbox or home workshop.