1/2-20 Heavy Hex Jam Nuts

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
SRFALHeavy Hex Jam NutGrade 2HPlain1/2-202h heavy jam nut-
CNBILHeavy Hex Jam NutGrade 2Plain1/2-20heavy hex jam nut l.h. thread gr.2143

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