... .8,8.8,9.8... ..... Copper MACHINE SCREW, brass shoulder bolt screw ,BRASS ALLEN SCREW. A good non-standard fastenerS manufacturer for ... ","AB", Threads for chipboard screw,wood screw,drywall screw;Type "M","UNC","UNF","BSW"threads for Machine threads.Head typesHexagon head,Mushroom ... Europe,Asia,Western Europe .3) Service:OEM service offered,Design service offered.4) Making drawings and samples as per ...