Description:

Fastener Type: Hex Serrated Flange Nut. Thread Diameter: M4; Thread Pitch: 0.7mm; Flange Diameter(A): 10mm/0.4". Width Across Flat Size (B) : 7mm;Nut Height (M) : 4.6mm. Made of stainless steel 316, good rust and corrosion resistance.. Self-locking serrated flange digs into the material being fastened to help prevent loosening..