Capitol Steel carries duplex nails, duplex screws, and sinker nails for concrete forming and general construction applications. Duplex (double-headed) nails are ideal for temporary forming work — they drive flush but pull out easily after the pour. Ask our team for current sizes and pricing.

We serve contractors across Northern California with knowledgeable staff who understand your projects. Get expert recommendations on the right materials for your application — no guesswork.
Our delivery team brings top-quality construction materials directly to your job site. Reliable scheduling and careful handling mean your materials arrive ready to use.
Choosing Capitol Steel means partnering with a team that values quality, reliability, and innovation. We bring together decades of experience, skilled craftsmanship, and a commitment to your satisfaction.
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