Engineered from high-speed steel, these durable drill bits are designed to withstand heavy, high-rpm usage with minimal wear. This 20-piece set provides precision drilling for gold, silver, various metals, and plastics, making it ideal for intricate tasks.

• 20-piece set of straight shank high-speed steel bits ranging from #61 to #80.
• Constructed for precision and accuracy in intricate drilling tasks involving gold, silver, hard/soft metals, and plastic.
• Designed for high-performance use in hand or motorized rotary tools up to 30,000 rpm.
• Includes a protective, pressure-fit locking dome stand with an imprinted numeric gauge guide for secure storage and easy identification.