complies with ISO4017 and DIN933 standards. Threads run along the entire bolt shank, enabling flexible fastening for workpieces of different thicknesses and easy disassembly for maintenance.

It can be produced in multiple strength grades including 4.8, 8.8, 10.9 and 12.9, with carbon steel and stainless steel raw materials available. Various anti-corrosion finishes such as black oxide, electro-galvanized and hot-dip galvanized are optional. This universal fastener is widely used in sheet metal, electrical equipment, solar brackets, light steel structures and pipe fitting assembly.