5/16-18 Serrated Flange Hex Lock Nuts, 304 Stainless Steel, 15 Pcs - 5/16"-18(15 pcs)
$12.49
Fastener Type: Hex Serrated Flange Nut Thread Diameter: 5/16"; Thread Size: 18 threads per inch; Flange Diameter(A): 17mm/0.67" Width Across Flat Size (B) : 12.5mm;Nut Height (M) : 7mm Made of stainless steel 304, corrosion-resistant and durable to use.