Back Home / Fasteners / Key Stock / KEYSTOCK ZINC 1/2″, 12 INCH STICK KEYSTOCK ZINC 1/2″, 12 INCH STICK SKU: X50KS Categories: Fasteners, Key Stock Made from 1018 carbon steel. Used in machines with rotating devices to provide driving torque between shafts and pulleys, gears and sprockets. Zinc plated. Diameter: 1/2″ square. 12″ long. Case Quantity: 1 Log In For Pricing