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Structural Bolts (A325/A490) in Hot-Dip Galvanized

Structural Bolts (A325/A490) — 1-8 x 3-1/2" · Hot-Dip Galvanized · Box of 25

High-strength heavy-hex structural bolts for steel-to-steel connections.

$87.99per box of 25 · $3.52/pc

● In stock — typically ships within 1–2 business days

Order qty (packs)Per packPer pieceSave
1–4 packs$87.99$3.52
5–19 packs$80.95$3.24−8%
20+ packs$74.79$2.99−15%

Heavy zinc coat for outdoor structural exposure (ASTM A153).

Active tier: 1–4 packs

SKU: IH-STRUCT-1-35-HDG-B25 · MPN: IRX-SBAA1-35HDGB25

Pack: 25 pieces · Ship weight: 11.5 lb · Brand: IronHex Fastener Co

Shipping is calculated by order amount and destination at checkout. USA-focused shipping with international options available. See shipping tiers →

Questions? Call +1 702-509-4651 or email sales@ironhexfastener.com

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Product description

Structural Bolts (A325/A490)High-strength heavy-hex structural bolts for steel-to-steel connections. Manufactured to ASTM F3125 Gr A325 / A490 — heavy hex structural. Each unit is supplied as a factory-sealed package containing the exact piece count shown; no break-units, no estimated counts.

Finish — Hot-Dip Galvanized. Heavy zinc coat for outdoor structural exposure (ASTM A153). Use the finish that matches your environment: zinc for dry indoor work, hot-dip galvanized for outdoor and treated-lumber exposure, 18-8 stainless for general corrosion resistance, and 316 stainless for marine, coastal, and chemical service.

This variant. Size 1-8 x 3-1/2" · Box of 25 (25 pieces) · 11.5 lb ship weight · SKU IH-STRUCT-1-35-HDG-B25 · MPN IRX-SBAA1-35HDGB25. Price shown is per package and updates automatically as your order quantity crosses each tier break.

Typical applications. Steel-to-steel structural connections, equipment mounting, machinery anchoring, and general construction.

How to order. Select finish, exact size, and pack on this page. Quantity is in packs — per-piece cost is shown for reference. Public checkout accepts PayPal or Wire Transfer. Need volumes beyond tier 3 or a mixed BOM? Use Request Bulk Quote.