Heavy Jam Nuts - Portland Bolt

Heavy hex jam nuts have the same dimension across the flats as heavy hex nut, but are thinner.

Headed Anchor Bolts - Portland Bolt

Heavy Hex Jam Nuts - Zinc Plated Steel

Hex Jam Nuts - Portland Bolt

Nuts, Bolts, and Screws

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Heavy Hex Nuts Portland Bolt

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Hex Jam Nuts - Portland Bolt