CNC Machined Part, Bolts, Screws manufacturer / supplier in China, offering Forged 6061-T6 Aluminium Wheel Adapter Parts Hardware CNC Machining Part Aluminum Wheel Spacer, OEM and Small Orders Ok, DIN 16903 Customized Hex Round Thread Open Insert Brass Knurled Nuts with Shoulder for Plastics Moulding, Small Orders Supported, DIN 466/NF E 27-459/Cns 4474 High Quality Knurled Through Hole Thumb Nuts Tighten with Collar and so on.