M10 Serrated Flange Hex Lock Nuts, 316 Stainless Steel, 2 Pcs - M10x1.5mm(2 pcs)
$8.46
Fastener Type: Hex Serrated Flange Nut Thread Diameter: M10; Thread Pitch: 1.5mm; Flange Diameter(A): 21mm/0.83" Width Across Flat Size (B) : 15mm;Nut Height (M) : 9.7mm Made of stainless steel 316, good rust and corrosion resistance.