... ,9.8........ WAVE PLATE HEAD SCREW,DOUBLE HEAD SCREW,KNURLED HEAD SCREW A good non-standard fastenerS manufacturer ... tapping threads "A","AB", Threads for chipboard screw,wood screw,drywall screw;Type "M","UNC","UNF","BSW"threads for ... its CBM :0.014 M3 4)There are 48 cartons form a pallet ,its CBM: 0.85M3 ... manufacturer with more than 20 years experiences in screw,bolt,nut,washer,rivet, stud, pin,wrench ...