Image 1 of 2 Image 2 of 2 Stainless Serrated Flange Nuts from $0.55 Made from 18-8 grade stainless steelSerrated flange nut Thread: Select Thread M6 x 1.00 M8 x 1.25 M10 x 1.50 Quantity: Add To Cart Added! Made from 18-8 grade stainless steelSerrated flange nut