The HSS Tap 20mm x 2.5mm, sold individually in a card, is a high-speed steel (HSS) tap designed for threading holes with a 20mm diameter and a 2.5mm thread pitch. This tap is ideal for creating internal threads in metal, wood, plastic, or other materials. The HSS material provides excellent durability, wear resistance, and heat resistance, allowing for efficient and long-lasting use in various threading applications. It's commonly used in automotive, industrial, or manufacturing settings where precise threads are needed for bolts, screws, or fasteners.