Carriage Bolts — 3/8-16 x 3" · Stainless 18-8 (304) · Box of 50
Round-head, square-neck bolts for wood and timber framing.
● In stock — typically ships within 1–2 business days
| Order qty (packs) | Per pack | Per piece | Save |
|---|---|---|---|
| 1–4 packs | $34.99 | $0.70 | — |
| 5–19 packs | $32.19 | $0.64 | −8% |
| 20+ packs | $29.74 | $0.59 | −15% |
General-purpose stainless (304/A2). Good corrosion + non-magnetic.
Active tier: 1–4 packs
SKU: IH-CARRIA-0375-3-S8-B50 · MPN: IRX-CB0375-3S8B50
Pack: 50 pieces · Ship weight: 3.5 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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Contractor or OEM volumes? Submit a BOM and we'll respond with line-item pricing within 4 business hours.
Request Bulk QuoteProduct description
Carriage Bolts — Round-head, square-neck bolts for wood and timber framing. Manufactured to ASME B18.5 round head, square neck. Each unit is supplied as a factory-sealed package containing the exact piece count shown; no break-units, no estimated counts.
Finish — Stainless 18-8 (304). General-purpose stainless (304/A2). Good corrosion + non-magnetic. 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 3/8-16 x 3" · Box of 50 (50 pieces) · 3.5 lb ship weight · SKU IH-CARRIA-0375-3-S8-B50 · MPN IRX-CB0375-3S8B50. 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.