25PCS, Driver Bolts, Transport Bolts, 304 Stainless Steel Driver Bolt, Black Oxide Finish with DIN 6923 Flange Hex Nuts, M5 x 50MM

Reliable fastening: The carriage bolts feature fully formed threads for excellent clamping force. The square shoulder design on the bolt head prevents loosening when tightening the nut, thus reducing the risk of slippage.
Premium materials: Both M5 bolts and flange hex nuts are made of 304 stainless steel with standard metric threads. The nuts conform to DIN 6923 standards. The zinc-plated surfaces provide smooth, burr-free finishes that resist rust and corrosion. The hardness High strength prevents deformation, making them suitable for outdoor or humid environments.
Practical Design: M5, M6, M8 bus bolts and the flange nut combination set provide secure locking and slip resistance. The flange nut features a locking mechanism; when tightened, the nut undergoes elastic and plastic deformation, pressing the bolt's toothed ends against the corner surfaces of the self-locking thread to generate substantial locking force.
Versatile Applications: M5 screws are used for Various purposes, suitable for assembling furniture and workbenches such as beds, tables, cabinets, chairs, and woodworking. They meet the requirements of office equipment, marine assembly, and various mechanical industries. Widely used in machinery, furniture, automotive and motorcycle maintenance, and DIY projects. Package Contents: 25 pcs coach bolts: M5x30mm, M5x40mm, M5x50mm, M6x30mm, M6x40mm, M6x50mm, M6x60mm, M8x40mm, M8x50mm, M8x60mm