CNC Machined Part, Bolts, Screws manufacturer / supplier in China, offering Fh-Kb-Us M4-M12 Flat Head Knurled Body-Avk Standoffs/Rivet Nut/Blind Nut/Female Standoffs, Rh-Kb M3-M12 Stainless Steel& Steel& Aluminum Female Standoffs/Reduce Head Knurled Body Standoffs/Rivet Nut/Blind Nut, CH-Kb M4-M10 Stainless Steel& Steel Countersunk Head Knurled Body Standoffs/Rivet Nut/Blind Nut and so on.