National Hardware 1/2 in. x 12 in. Square Key Stock

The National Hardware Square Key Stock is engineered for reliable power transmission in mechanical drive systems. Designed to act as a secure wedge or locking component within shaft keyways, it effectively transmits torque between motors, pulleys, gears, and machinery. Its smooth edges allow for seamless installation and precise fitment in standard keyways. Constructed from durable steel with a protective zinc finish, this square key stock offers enhanced resistance to wear and corrosion. It can be easily cut, filed, or drilled to custom lengths and shapes to meet the specific requirements of various machining, maintenance, and repair applications.