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If you're putting together a railing system for a multi-story stairwell, these connectors handle the joints where handrails change direction or meet a post — we've sold them for that exact setup hundreds of times.
Tensile strength sits at 350MPa or better, with elongation around 10% and hardness under HB150 on the Brinell scale, all form malleable iron to ASTM A197 — the hot-dip galvanizing to ASTM A153 is what actually makes them hold up outdoors (check lead time on that finish, usually 2-3 weeks).
They work fine for listing racks in warehouses and general piping systems, but don't use them for high-pressrue lines or anything over 60.3mm diameter — female round head connections are simple to install, but the thread engagement isn't deep enough for heavy vibration appliction.
Sizes run from 21.3mm up to 60.3mm, and we've got black, hot-dip, or electro-galvanized options for indoor or outdoor corrosion protection — DIN, ANSI, and GB compliant with TUV, CE, and ISO paperwork. 5. Most buyers go with the hot-dip for exterior work, but black is fine for dry interior runs.
MOQ is usually about 200 pieces per size, and we ship from stock within 20 days or so — just confirm the specific diameter you need.
We typically require a MOQ of 500 pieces per size, but we can be flexible for first-time orders—just reach out and we'll work something out.
Standard lead time runs 15-20 working days after order confirmation. If you need them faster, let us know and we might be able to expedite.
Yes, we include a mill test certificate and a copy of our TUV CE ISO certifications with every order. Just specify if you need anything extra like hardness or tensile test data.
Absolutely—we offer black, galvanized, and electro galvanized finishes. Just confirm the surface option when placing your order.
Yes, the hot-dip galvanized version is ideal for outdoor handrails since it resists corrosion well. Just make sure you pick the right size for your pipe diameter.
