Want To Buy Fastener Screw And Special Nut

Dear Sirs,Please we want find a Chinese supplier about fasteners screw and special bolt shows1 Screw thread M4 ncs 300.000/year2 Screw thread M4FLAT ncs 300.000/year3 Screw thread M8 ncs 100.000/year each type series "INS"4 Special NutCap 3/4" (only one part thread hole M8) ncs 50.000/year5 Special Nut CapHole 3/4" (passed part to part thread hole M8) ncs50.000/year.About item n?4 and 5 please send us a detailed specification and if you have in your standard production Please we need urgently your best quotations and your products pics to me