Introducing the 1-1/4 to 1-3/8 Inch Titanium Step Drill HSS Drill Cone Bits, designed for precision drilling in sheet metal. This drill bit set is an essential tool for professionals and DIY enthusiasts alike, specializing in creating accurate holes for various applications. Key Benefits: - Versatile Sizing: The step drill's range from 1-1/4 inch to 1-3/8 inch allows for expanding existing holes or creating new ones, providing the flexibility needed for multiple projects. - Efficient Material: Crafted from high-speed steel (HSS) with a titanium coating, these drill bits offer enhanced durability and resistance to wear, ensuring a longer lifespan and less frequent replacements. - Enhanced Performance: The unique cone shape minimizes the risk of walking while drilling, resulting in clean cuts and reduced chipping, making it ideal for precision work. Compatibility and Function: - Designed for optimal use with a variety of sheet metal types, including aluminum, steel, and copper. Perfect for automotive, HVAC, and electrical applications. - Compatible with standard drill chucks, making it an easy addition to most tool kits without the need for specialized equipment. Practical Applications: - Automotive Repairs: Ideal for creating holes in metal car panels for installations or repairs. - Home Improvement Projects: Perfect for DIY tasks like installing lighting fixtures or running electrical wiring through metal walls. - HVAC Ductwork: Useful for drilling accurate holes in duct materials for vent and pipe installations, ensuring seamless fit and functionality. Invest in the 1-1/4 to 1-3/8 Inch Titanium Step Drill HSS Drill Cone Bits for reliable, professional-quality drilling that meets your project demands with precision and ease.