Special Screws & Bolts include Standard Screws & Non-Standard Screws and could be produced according to international standard DIN / ISO / IFI / JIS / GS…etc.
Special screws and bolts are normally used in automotive, bicycles, construction and furniture. The screw size can be produced according to customer requirements.
Special screws & bolts are suitable for aluminum alloy wheels of various European vehicles, with high tensile strength, the maximum strength could be more than class 10.9.