Drilled hex nut, 1/2-20 RH threadNAS509-8 - NAS509 Drilled Hex NutsSKU: NAS509-8$1.00PriceThread Size1/2-20Finish4130 Alloy SteelDrill OptionCadmium Plated Type II Class 2Quantity*Add to CartSpecificationsNAS509-8 AMS-S-6758Cross ReferencesNAS509-8Technical Details-8ApplicationsDrilled https://cdn.hasaerosupply.com/img/NAS509-8.jpg