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3 1/4 Heavy Hex Jam Nuts (ASME B18. 2.2)

Heavy Hex Jam Nuts are thinner than regular heavy hex nuts, but have similar dimensions across the flats and corners. Like regular hex jam nuts, heavy hex jam nuts can be threaded onto a bolt and run tight against the standard heavy hex nut which will lock the nut in place and prevent it from backing off. 

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Buy Heavy Hex Jam Nuts from one of our FCH Network Members
SupplierLocTypeMaterialFinishSizeDescriptionQty 
QFCTXHeavy Hex Jam NutSteelPlain3 1/4-43 1/4-4 hvy hex jam nut plain b18.2.237
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QFCTXHeavy Hex Jam NutSteelGalvanized3 1/4-43 1/4-4 hvy hex jam nut hdg b18.2.23
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