Heavy Hex Nuts

Heavy Hex Nut with slightly larger AF ( Across Flat ) and slight thicker than standard hex nut. It can bear higher pressure.it fit for use in construction of buildings, bridges and other applications.
Heavy Hex Nut Material: Medium carbon steel, Alloy Steel;
Surface treament: Black oxide, H.D.G or plain.
Size: Metric size : M24-M100 , Inch size: 1" - 3-1/2"
Grade: Metric Size: Class 8 - Class 10 ; Inch Size: Class 5, Class 8 and A 194 2H