Flange Nut

This serrated flange nut integrates a standard hexagonal nut body and an enlarged circular flange with dense anti-slip serrated teeth on the contact surface, eliminating the need for separate washers during assembly and delivering excellent anti-loosening performance under vibration.

Fabricated from premium 304 stainless steel, the nut features inherent resistance to rust, acid and salt fog. After polishing and passivation treatment, the surface forms a stable protective film, maintaining long-term anti-corrosion performance in coastal, damp and mild chemical working environments. The sharp serrated texture on the flange bites firmly into workpiece surfaces during tightening, effectively preventing nut rotation and loosening caused by long-term mechanical vibration.

The six-sided outer hexagon fits standard spanners and sockets for convenient torque control. Precisely rolled internal threads match metric bolts perfectly, providing consistent clamping force with outstanding repeat disassembly performance. The one-piece integrated flange enlarges the bearing area, evenly distributing pressure to avoid indentation on thin metal or plastic panels.

Stainless steel serrated flange nuts are widely applied to solar mounting frames, vehicle accessories, bathroom fittings, outdoor machinery and marine equipment. It is the ideal all-in-one fastener for anti-vibration and corrosion-resistant assembly projects.

We provide full customized production services, including adjustable thread specifications, flange width and tooth depth. Laser engraved brand logos can be printed on the hex surface to support hardware distributors and new energy equipment manufacturers.

All finished flange nuts pass strict pre-delivery inspections, including dimensional measurement, thread accuracy test, serration anti-slip test and salt spray anti-corrosion verification, to guarantee stable thread fit, reliable anti-loosening effect and durable rust resistance for every production batch.