Flange Nuts Zinc Plate Class 8 by Allfast Solutions SKU FLNM4Z M4 / 100 M5 / 100 M6 / 100 M8 / 100 M10 / 100 M12 / 100 M16 / 50 M20 / 50 M10 (1.25P) / 100 M12 (1.25P) / 100 1/4 / 100 5/16 / 100 3/8 / 100 1/2 / 100 5/8 / 50 Diameter M4 M5 M6 M8 M10 M12 M16 M20 M10 (1.25P) M12 (1.25P) 1/4 5/16 3/8 1/2 5/8 Pack Size 100 50 Quantity/Each Add to order