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Original Designs Historically Inspired. Uniquely Ours
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Made in USA Forged by Hand in Teton Valley, Idaho
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From Our Family Forge Crafted by multi-generation family blacksmiths
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Veteran-Powered US Army Veteran blacksmiths—American grit in every strike.
Choose our 5/16" x 3 1/2" Hex Head Bolt Bulk Box (100) for both structural and decorative applications. The smooth texture appeals to classic design, while the hammered and pyramid textures add a rustic touch. To ensure proper fit, select nuts and washers of the same diameter as the bolt, which we recommend using 3/8" or above for structural applications. With a head shape of hex, size across flats and socket size of 1/2", 8-point head height of 3/16", shank diameter of 1/4", thread pitch of 20, and course thread pitch type, this product is perfect for your needs.
This bulk box of 5/16" x 3 1/2" Hex Head Bolts offers Grade 2-5 strength, providing reliable and durable fastening for various projects. Purchase in bulk for convenience and value. Contact us for a custom quote if you require a different grade.
All bolts are partial threaded unless custom ordered as full thread. To ask a question or request customizations such as full thread please reach out to us via office@oldwestiron.com.
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Excellent product, service and prompt delivery
Excellent selection and quality
Old West Iron
Thank you for your great review.