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We had a few projects where standard strut fittings just couldn't take the load, especially in those exposed outdoor mezzanine builds where rust was becoming a real headache after two winters, so I went looking for something with better corrosion resisance and a tighter weld tolerance, and this ISO-certified range with the BIM3821 model seems to handle it.
It's availble in both medium carbon steel and stainless steel, which is useful because we don't always need the full stainless cost — the carbon steel with HDG is usually fine for indoor work, but for coastal sites we'll spec the stainless, and thickness runs form 5mm to 7mm, so our company can match it to the channel size without over-engineering.
The round head design is pretty standard for these, but what I noticed is the welding connection is clean and consistent across the batch, and the powder coat option actually holds up better than I expected for a factory finish — most buyers I've talked to go with HDG for exterior anyway, but for cleanrooms or food processing, the powder coat is easier to keep clean.
168 hours in the salt spray test is what they claim for the HDG, give or take, and the COA shows consistent coating thickness across samples — it's not suited for heavy chemical exposure obviously, but for structrual mounting and cable tray supports it's more than adequate, and the tolerances on the angle are tighter than the generic imports we've had issues with before.
MOQ is 500 pieces per size, which is manageable for our usual runs, and the packaging is carton plus pallet with decent corner protection (usually 2-3 weeks lead time from order), so we'll order a mixed batch of 5mm and 6mm in HDG to start, and I'll confirm the stainless stock level before we commit to a full container.
Our MOQ for custom Unistrut angle fittings is typically 500 pieces per size, but we can be flexible on smaller orders depending on material and surface treatment. Just send us your specs and we'll see what works.
Standard lead time is around 25-35 days after order confirmation, including production and surface treatment like HDG or powder coating. Rush orders might be possible with a small surcharge.
Yes, we can supply mill test reports for the medium carbon steel or stainless steel, along with our ISO certification. Just let us know at the time of order.
The thickness options are 5mm to 7mm, depending on your load requirements. We can dial in the exact gauge within that range for your project.
They come in sturdy cartons stacked on pallets, with proper bracing and wrapping. For international shipping, we also add corner protectors and shrink wrap to keep everything secure.
