The 1/4" Key (6600) from REX International is a precision-engineered component designed for secure fastening in mechanical assemblies. Made from high-strength steel, this key provides excellent durability and resistance to wear. Its dimensions ensure a perfect fit in standard keyways, making it suitable for various applications including motors, gearboxes, and other machinery. This key is essential for maintaining the integrity of rotating parts, ensuring smooth operation and longevity of equipment. Ideal for both industrial and DIY projects, the 1/4" Key is a reliable choice for any mechanical setup.