Fasteners/Hex bolt(Din931/Din933) Diameter: M4-M36 1/4''-1'' Length: 6-200mm 1/2''-8'' Material: SS304 316.... Hexagon bolt is the most common used fastener in bolts family. It is externally threaded device designed to mate with nut. It makes use of thread mating method to hold assembled parts together with nut. The hexagon bolts with production grade C is normally used on the steel structure, ...