5/16" x 5/16" x 1' Carbon Steel Key Stock – Zinc Clear Finish

Manufactured from carbon steel, this 5/16" x 5/16" 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 zinc clear finish for added corrosion resistance, it is ideal for general mechanical, maintenance, and light‑duty industrial applications requiring reliable strength, accurate fit, and protection against rust.