Need a durable shoulder screw for your Coats RC45, RC55, 80C, 90C, or X-series Tire changer's swing arm repair? Look no further! This essential screw is specifically designed to securely fasten the sliding mounting plate, ensuring optimal performance. Ideal for use with the Coats Lock Plate (85606343) featuring a 3/8in front mounting hole. Keep your tire changer running smoothly with this reliable solution.