"din 931 hexagon head bolt"

Bu-lông đầu lục giác DIN 933 DIN 931 bằng thép không gỉ cấp 4.8

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 and building structure scenarios, thus achieving a stable connection. 1) Precise Thread Machining 2) High-Quality and Reliable Materials 3) Rich Surface Treatments 4) High Strength