... 500,000 sets Guarantee We make all kinds of Plastic Screw Nut in Plastic Injection Mould, following is the information about ... the product and our company , for your reference.NamePlastic Screw NutMould material45#, 50#, P20, H13, 718, 2738, NAK80, S136, SKD61 ... , office supply , bathroom accessory , auto plastic parts ect.FactoryMoldManufacture Plastic Screw Nut mould