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When a customer needs a bracket that has to survive repeated thermal cycling in a lab fixture, they're usually looking at something machined from 6061-T6 with a Type II anodize, and that's basically what we've been getting for the last six months form this suplier — it holds up fine under 150°C or so.
Tolerances are stated at ±0.01mm to ±0.05mm, but what we've actually seen on the parts we've measured is closer to ±0.015mm on critical features, which is tighter than spec for most of our jigs and better than what we were getting from the previous shop.
We're running a mix of 5-axis milled prototypes and simple turned parts for different projects, and the lead time on the complex stuff is usually 5-7 days while the simpler ones can ship in 3 days — they accept STEP and STP files which is what our design team uses anyway, so no conversion headaches.
The maximum part size is 2200×1800×350mm, but for our use case (mostly enclosures and mounting plates under 400mm long) we haven't come close to that limit, though it's good to know they can handle larger work if a project scales up.
Surface roughness is specified as Ra 0.1 to 3.2, and for the anodized parts we order, we typically ask for Ra 0.8 on visible surfaces — sandblasting option actually masks some surface imperfections, which is a detail most buyers don't think to ask about but matters when you're trying to get a consistent cosmetic finish across a batch.
We usually have stock on common alloys like 6061 and 304 stainles, but for brass or bronze prototypes you'll want to confirm lead time — it's often a day or two longer, and the minimum thread size of M1×0.25mm is only relevant if you're doing really small fasteners, which we haven't needed yet.
Yes, we can maintain ±0.01mm on most dimensions even at max size, though it depends on the material and geometry. For very long parts, we might need to adjust fixturing to keep that precision, but it's usually doable.
We can provide material certifications for all metals we machine, including mill test reports for steel and stainless steel. We also offer inspection reports with dimensional data if needed.
For prototypes, MOQ is just one piece—we're set up for low-volume runs. Anodizing and sandblasting are included at that quantity too, no extra minimum.
We produce M1×0.25mm threads that are fully functional, using specialized tooling and careful setup. They're machined to standard thread specs, so you can expect them to work for assembly.
We prefer STEP or STP files for the 3D model, but we also handle IGS, X-T, DXF, DWG, and PDF. PDFs work fine as long as they include clear dimensions and tolerances.
