3/8" x 3/8" x 1' Carbon Steel Key Stock – Plain Finish

Manufactured from carbon steel, this 3/8" x 3/8" x 1‑foot key stock is designed to fit standard keyways for securing shafts to gears, pulleys, and couplings while transmitting torque. Featuring precise inch dimensions and a plain finish, it is ideal for general mechanical, maintenance, and industrial applications requiring reliable strength, accurate fit, and consistent performance.