1/2-13 A563 Heavy Hex Nuts, Plain

1/2"-13 Gr. A563 Heavy Hex Nuts. In stock and ready to ship, we carry thousands of nuts and washers for your construction needs. Available plain or galvanized.
1/2-13 A563 Grade A Heavy Hex Nut Plain. Course Thread, Package of 50. 

1-1/2-6 Conquest Heavy Hex Nut, A563 Grade A - Plain Finish – Fasteners Plus

324250 Brighton Best HEAVY HEX NUT - 1-8 - STEEL - HOT DIP GALVANIZED - UNC - GRADE A - ASTM A563 - 25 PK - BBI : PartsSource : PartsSource - Healthcare Products and Solutions

Hex Nuts Jam Nuts Haydon BoltsHaydon Bolts

Jam nuts are tightened against the work surface and a finished or heavy hex nut is tightened agianst the jam to keep it from loosening

1/2-13 A563 Grade A Heavy Hex Jam Nut, Plain (Inch) (Quantity: 50) (Thread Diameter - Pitch: 1/2-13)

Heavy Hex Nuts ASTM A563 Heavy Hex Nuts

Hex Nuts Jam Nuts Haydon BoltsHaydon Bolts

Ziegler Bolt & Nut House. Heavy Hex Nuts

Hillman 150015 Coarse Thread Hex Nuts, 1/2-13, 50 Pieces, Hex

1/2-13 A194 2H Heavy Hex Nut Zinc Plated – FMW Fasteners