# Cutting Tools: IRWIN 15506SM 3 Pc. HSS and Cobalt Step Drill Bit Set The IRWIN 15506SM 3 Pc. HSS and Cobalt Step Drill Bit Set is a high-performance cutting tool designed for precision drilling in various materials. Engineered from high-speed steel (HSS) and cobalt, these step drill bits provide exceptional durability and reliability, making them ideal for both professional tradespeople and DIY enthusiasts. This set is perfect for creating clean holes in metal, plastic, and wood, ensuring optimal performance in every application.
Key Features • **Material Composition**: Crafted from high-speed steel with cobalt, delivering superior hardness and heat resistance. • **Step Design**: The unique step drill design allows for incremental hole sizes, making it versatile for different applications. • **Flute Geometry**: Enhanced flute design improves chip removal, reducing friction and heat buildup during drilling. • **Size Range**: Includes three bits with varying diameters, accommodating a wide range of hole sizes from 1/8" to 1/2". • **Hex Shank**: The 1/4" hex shank fits securely in standard drill chucks, providing excellent grip and preventing slippage during use.
Applications • **Metalworking**: Ideal for drilling through steel, aluminum, and other metals, making it essential for automotive and manufacturing industries. • **Woodworking**: Effective for creating clean, precise holes in wood and composite materials, suitable for carpentry and cabinetry. • **Plastic Drilling**: Perfect for drilling into different plastics without cracking or damaging the material, ensuring clean outcomes.
Benefits • **Versatile Use**: The step drill design allows for multiple sized holes without the need for changing bits, enhancing efficiency. • **Durability**: The HSS and cobalt construction ensures long-lasting performance, reducing the need for frequent replacements. • **Precision**: Achieve accurate hole sizes with the step design, ensuring perfect fits for screws and fitt