Fastener Type: Hex Serrated Flange Nut. Thread Diameter: 10#; Thread Size: 24 threads per inch; Flange Diameter(A): 12.5mm/0.49". Width Across Flat Size (B) : 9mm;Nut Height (M) : 5.3mm. Made of stainless steel 304, corrosion-resistant and durable to use.. Self-locking serrated flange digs into the material being fastened to help prevent loosening..
