KSEIBI Step Drill Bit Set - HSS 1/4-1 3/8"

High-Speed Steel Construction: Made from durable HSS with a black oxide coating, ensuring longevity and resistance to wear and corrosion. Multi-Sized & Step Design: Precision drilling with a multi-sized step design allows for accurate, clean drilling in various materials, enhancing versatility in metalworking, woodworking, and plastic drilling. SAE Standard Compliance: Fully compliant with SAE specifications for universal compatibility with drilling tools, enhancing utility and performance. Comprehensive Drill Bit Set: From 1/4" to 1-3/8", this set includes essential sizes for diverse drilling tasks, ensuring you have the right bit for every application. Ergonomic Handle: Features an ergonomic handle for Ergonomic 3-Flat Shank: Designed for a comfortable grip and to prevent slipping, the 3-flat shank fits securely in drill chucks, ensuring efficient power transfer and safer operation. and fatigue-free operation, even during prolonged use.