Gibraltar CN-0SS-G 1/4-20, 5/8" Flange Diam, 5/16" High, 1/2" Across Flats, Flange Nut
1/4-20, 5/8" Flange Diam, 5/16" High, 1/2" Across Flats, Flange Nut Grade 303 Stainless Steel, 3/32" Flange Height
$7.42