Coupling Nuts — 5/8-11 · Stainless 316 · Box of 50
Long hex couplers for joining threaded rod and studs.
● In stock — typically ships within 1–2 business days
| Order qty (packs) | Per pack | Per piece | Save |
|---|---|---|---|
| 1–4 packs | $103.99 | $2.08 | — |
| 5–19 packs | $95.67 | $1.91 | −8% |
| 20+ packs | $88.39 | $1.77 | −15% |
Marine-grade stainless (A4). Chloride and salt-spray resistant.
Active tier: 1–4 packs
SKU: IH-COUPLI-0625-S6-B50 · MPN: IRX-CN0625S6B50
Pack: 50 pieces · Ship weight: 8 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
Need bulk pricing beyond tier 3?
Contractor or OEM volumes? Submit a BOM and we'll respond with line-item pricing within 4 business hours.
Request Bulk QuoteProduct description
Coupling Nuts — Long hex couplers for joining threaded rod and studs. Manufactured to Long hex coupler — ASME B18.2.2. Each unit is supplied as a factory-sealed package containing the exact piece count shown; no break-units, no estimated counts.
Finish — Stainless 316. Marine-grade stainless (A4). Chloride and salt-spray resistant. 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 5/8-11 · Box of 50 (50 pieces) · 8 lb ship weight · SKU IH-COUPLI-0625-S6-B50 · MPN IRX-CN0625S6B50. Price shown is per package and updates automatically as your order quantity crosses each tier break.
Typical applications. Hanger systems, equipment suspension, anchor extensions, and threaded-rod splicing for mechanical, electrical, and plumbing trades.
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.