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We've been selling these diamond-coated files for years now, and what really sets them apart is the electroplated diamond surfce—it just chews through matrial without losing grit like the cheap ones do.
Most buyers go with the medium 120-180 grit for general grinding on metal or glass, but it's also surprisingly good for ceramics and stone; just don't use it on soft plastics because the diamond will clog up pretty fast (usually 20 minutes or so).
The working width varies between 10-25mm depending on the profile, and the thickness is about 2-5mm, so you're getting a set that handles both fine edges and broader surfaces—and the 150mm length is pretty much standard for hand control.
5-10 times lifespan of conventional files is what we see in the field, but that's only if you keep them dry; humidity will kill the nickel plate adhesion, so store them in teh plastic sleeve they come in.
Also, the hardwood handle is actually comfortable for extended use, but it's not sealed—so if you're using them with coolant or oil, expect the wood to darken over time, no way around that.
Anyway, we usually have stock on the 1707012 model, but confirm lead time if you need more than 50 sets or so—MOQ is typically 10 units for first-time orders, and we'll send the COA with each batch.
The file's nickel plate and diamond coating are rated for -20°C to 200°C, so you're safe for most shop environments and even some light heat exposure during grinding.
We don't have a strict MOQ on this set — you can order just one or a bulk lot. Lead time is usually 7-10 business days for standard orders, but we can confirm when you place.
Yes, we can share our in-house test report showing the electroplated diamond adhesion and grit consistency. Just ask your rep for the latest batch report.
Each file comes in an individual plastic sleeve, but the diamond coating itself won't rust. Still, we recommend keeping them in a dry environment, as the hardwood handle can warp if left damp.
The working width ranges from 10mm on the narrow profiles up to 25mm on the wider ones. That's per the spec, so you get a good mix for detail work and broader strokes.
