In order to make the bolt and nut nut removal and tightening more convenient, save the equipment in the accident repair time and prevent the corrosion of bolts and nuts, the use of plastic elasticity and plasticity of the bolt and nut protection cap, you can extend the bolt and nut maintenance cycle, Worker maintenance workload. Xiamen "businessway" bolt nut protection cap with low cost, long life, easy to use, fast features, practical value and promotion significance.
