Inquiry (采购产品): ptfesins We are looking for a Product the we can use to plug machine parts the have thread holes and also Blind hole no Theads at all must be chemically resistans an work with temperature 400 to 500 degree F the thread hole is 5/16 x 2" long what can you do to help us please reply **** Hidden Message ***** Carlos Rosales 90023 Company: Pentrate Metal processing E-mail: carlosrosales@verizon.net **** Hidden Message ***** carlosrosales@verizon.net