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Heavy Hex Nuts

 
Heavy Hex Nut             
Zinc nuts will not work with galvanized bolts due to the thickness of the galvanized coating.  
Galvanized nuts must be used with galvanized bolts.

Select a Material & Finish
Grade A is comparable to grade 2, Zinc plating provides moderate protection against corrosion. Shiny silver in color.
Low carbon steel. Plain finish is ideal for painting and welding applications. Color ranges from grey to carbon black. Comes with a light oil coating.
Hot dipped galvanized fasteners are much more corrosion resistant than other types of finishes. Because of the thickness of the coating, galvanized nuts can only be used with galvanized bolts.
Hot Dipped Galvanized coating provides a high level of corrosion resistance. Because of the thickness of the coating, galvanized nuts must be used with galvanized bolts. Grade 2H nuts are higher strength and are meant for use with A325 structural bolts.
Plain Finish is plain unfinished steel. Plain Finish parts have no corrosion resistence. Grade 2H nuts are higher strength and are meant for use with A325 structural bolts of the same finish.
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