Different types of plugs for application at 150°C Please offer the material you consider appropriate in plastic material/polymer, taking into account that the temperature use is 150°C You can also offer for alternative Specify the type of material used for the plugs showed in the attachments (thread with teflon insert?rubber insert?) Hex head Plug 1"G cylindrical (with copper washere) Fe withe zinc 1000 pcs Hex head Plug 1/2"G cylindrical (with copper washere) Fe withe zinc 3000 pcs Hex head Plug 1/4"G cylindrical (with copper washere) Fe withe zinc 3000 pcs Hex head Plug 3/8"G cylindrical (with copper washere) Fe withe zinc 5000 pcs Blind plug 1"G with socket Fe withe zinc 3000 pcs Conical blind plug 1/2"G with socket Fe withe zinc 5000 pcs Blind plug 1/4"G with socket (like set screw) Fe withe zinc 3000 pcs Conical blind plug 1/8"G with socket Nickel brass 2000 pcs Blind plug 3/4"G with socket (like set screw) Fe withe zinc 2000 pcs