M8 Serrated Flange Hex Lock Nuts, 316 Stainless Steel, 5 Pcs - M8x1.25mm(5 pcs)
$9.60
Fastener Type: Hex Serrated Flange Nut Thread Diameter: M8; Thread Pitch: 1.25mm; Flange Diameter(A): 17mm/0.67" Width Across Flat Size (B) : 13mm;Nut Height (M) : 7.8mm Made of stainless steel 316, good rust and corrosion resistance.