BOLT* NUT AND WASHER HAVE EXCELLENT PAINTING PROPERTY* CORROSIONRESISTANCE AND LUBRICATION PROPERTY

摘要

PURPOSE:To obtain a bolt, a nut and a washer, which have excellent corrosion resistance, painting property and lubrication property and approximately constant torque system numerical values, by using combining suitably polyolefin compound and fluoethylene high-molecular body to film layer.