Precision-engineered 3.5mm HSS drill bit designed for versatile drilling applications across steel, cast iron, and general-purpose materials. The black oxide coating enhances durability and reduces friction, extending tool life while minimizing heat buildup during operation. High-speed steel construction maintains hardness at elevated temperatures, making it ideal for both manual and machine drilling. Suitable for metalworking, fabrication, and maintenance tasks where accuracy and reliability are essential.
