DURABLE 304 STAINLESS STEEL - Manufactured from high grade 18-8 (304) stainless steel, these flange nuts provide stable rust resistance for both indoor and outdoor professional projects.
ANTI-SLIP SERRATED BASE - The integrated serrated flange face acts as a built-in washer to provide a secure grip on the material surface, helping to prevent loosening caused by vibration.
LARGE 18.6MM BEARING SURFACE - The wide 18.6mm flange base distributes fastening pressure over a larger area, protecting the surface and covering oversized or irregular holes.
UNIFIED INSTALLATION EFFICIENCY - This all-in-one hex nut design eliminates the need for a separate washer, significantly reducing assembly time and the risk of dropped hardware.
VERSATILE HARDWARE SOLUTION - A dependable choice for automotive exhaust systems, machinery maintenance, outdoor structures, and solar panel mounting projects.