| Nuts with intergrated non spinning washers, sometimes serrated to provide a locking action or plain to distribute pressure over part being secured, available in most sizes in steel and stainless |
| Stock Code | Item |
| UNC.FGN.5/16.Z | 5/16 UNC Hex Serrated Tensiloc Nut Whizztite Zinc |
| UNC.FGN.3/8.ZY | 3/8 UNC Flanged Nut ZYP |
| UNC.FGN.1/2.SC | 1/2 UNC Flanged Hex Nut SAE 8 S/C |