CNC Machined Part, Bolts, Screws manufacturer / supplier in China, offering Snb/Sns/Snc/Sna M2-M10 Brass/Ss/Steel/Aluminum Female Double Pass Pillar/Thread Hollow Standoffs Spacers/Hex Studs, SBB/Sbs/Sbc/Sba, Brass/Ss/Aluminum M2-M10 Male Female Hex Pillar/Studs/Standoff for PCB Board, High-Precision Hexagon Bolts with Wire Holes for OEM Orders and so on.