Century Drill & Tool (2 pack combo) 8.0 x 1.00 TAP & I Drill CD. The tap features accurately formed threads that ensure consistent and exact threading results every time. Durable construction: Heat treated and tempered for file hard threads, this tap offers a longer, useful life, making it a dependable tool for repeated use. High-speed steel drill bit: The included letter drill bit is made from premium grade high speed steel, suitable for general drilling in wood, metal, and plastic. Convenient combo pack: This package provides the correct drill size for the tap, combining both tools in one easy-to-use set. Designed for hand cutting: Ideal for hand cutting applications, giving you control and precision in your threading projects. (97512)