The WOODRUFF HS 403 STR from Field Tool Supply is a high-quality Woodruff key designed for secure fastening in various mechanical applications. Made from high-speed steel, this Woodruff key ensures durability and resistance to wear. Its precise dimensions allow for a snug fit in keyways, providing reliable performance in machinery. This key is essential for maintaining the integrity of rotating components, making it a vital part of any mechanical assembly. Its robust construction and design meet industry standards, ensuring it can withstand demanding operational conditions.