310059 - 5/16"-18 UNC NE NYLON INSERT LOCKNUTS COARSE STAIN A2 (18-8) - 100/PK$15.00PriceQuantity*Add to CartBuy NowSKU: 3100595/16"-18 UNC NE (STANDARD) NYLON INSERT LOCKNUTS COARSE STAIN A2 (18-8) - 100/PK