DIN933 is a widely adopted German standard fully threaded hex bolt, complying with ISO4017 and GB/T5783. Threads extend the entire length of the bolt shank, allowing flexible clamping for workpieces of various thicknesses and easy disassembly. It is a universal fastener for most industrial assembly scenarios.

Sizes cover M2 to M64, custom special lengths are acceptable. We provide carbon steel bolts in grade 4.8 to 12.9, as well as A2-70 304 and A4-80 316 stainless steel options. Multiple anti-rust finishes including electro-galvanized, hot-dip galvanized and black oxide are available for dry indoor and corrosive coastal outdoor usage. It is extensively used in sheet metal, electrical cabinets, general machinery, solar brackets, light steel structures, furniture hardware and pipe fittings.