Midwest Fastener 1/4 in. x 1 in. Woodruff Key

The Midwest Fastener 1/4 in. x 1 in. Woodruff Key is engineered for precise mechanical power transmission and shaft alignment. Designed to fit securely into semi-circular keyways, it prevents gears, pulleys, and hubs from slipping during high-torque operation. Constructed from durable steel with a protective zinc finish, this specialty fastener delivers exceptional strength and corrosion resistance for agricultural, automotive, and industrial equipment maintenance.