# Cutting Tools The IRWIN 40103ZR Letter C HSS Letter Size Straight Drill Bit is a high-performance cutting tool designed for precision drilling in a variety of materials. Engineered from high-speed steel (HSS), this drill bit offers exceptional durability and cutting efficiency, making it a reliable choice for professionals in woodworking, metalworking, and construction.
Key Features • **Material**: Constructed from premium high-speed steel (HSS) for superior hardness and longevity. • **Size**: Letter size 'C' with a diameter of 0.242 inches (6.15 mm) for consistent hole sizes. • **Design**: Straight shank design allows for easy mounting in standard drill chucks and ensures optimal stability during operation. • **Cutting Performance**: Precision-ground cutting edges enhance performance and reduce friction, allowing for faster drilling speeds. • **Versatility**: Suitable for a wide range of applications including drilling into wood, plastic, and softer metals.
Applications • Ideal for professionals in the woodworking, plumbing, electrical, and metalworking trades who require reliable and efficient drilling solutions. • Compatible with standard drill presses and handheld drills, providing flexibility for various job site conditions. • Perfect for creating precise holes in both soft and hard materials, ensuring high-quality results in every project.
Benefits • **Enhanced Durability**: The high-speed steel construction ensures resistance to wear and heat, prolonging the life of the drill bit. • **Improved Efficiency**: The sharp cutting edges and optimal design facilitate quick and clean drilling, reducing downtime on the job. • **Professional Quality**: Manufactured under Irwin Tools' rigorous quality standards, this drill bit is trusted by trade professionals worldwide for its reliability and performance. --- *Product information compiled with AI assistance for reference purposes.*