Parting locks Japanese standard series mat: Japanese Nylon resin+high strength alloy steel; Type:10MM,12MM,13MM,16MM,20MM mould component parting locks: precision mold part detailed description:1.Allows adjustment of friction force the base plate and resin sleeve by tightening loosening,hetapered bolt,made of a high grade Nylon, his parting lock feature sexcellent corrosion and heat resistance ...