"din 931 hexagon head bolt"
Grade 4.8 en acier inoxydable DIN 933 DIN 931 boulon à tête hexagonale
The hex bolt is a fastening component with a hexagonal head. Its shank is threaded. By being used in conjunction with nuts and taking advantage of the frictional and mechanical interlocking effects of the threads, it applies clamping force to two or more components in various mechanical connection ...