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What RoHS and REACH Restrictions Affect Material Selection for Swiss CNC Parts Imported into the USA?
We have turned away orders that looked simple on paper — a brass connector, a leaded steel pin — only because the destination assembly was covered by RoHS. That experience…
How Do You Verify That a Chinese Factory Is Using the Exact Material Grade Specified on Your Drawing?
We have seen it happen more than once. A purchasing manager sends a drawing clearly calling out 316L stainless steel 1. Parts arrive. They look right. They measure right. Then…
Does Black Oxide Treatment Provide Adequate Rust Protection for Swiss CNC Parts Used Outdoors or in Humid Environments?
We see this question on almost every RFQ where black oxide is listed as the default finish — and the answer almost always surprises buyers. Black oxide creates a magnetite…
Does Passivation Really Improve Corrosion Resistance on Swiss-Turned Stainless Steel Parts?
We see it every month: a client's Swiss-turned parts pass inspection, then rust in the field. Passivation is the fix most buyers overlook. Passivation significantly improves corrosion resistance on Swiss-turned…
How Do I Specify and Verify Plating Thickness Tolerance on Swiss CNC Parts Drawings?
Our shop floor sees this question every week: a buyer's drawing says "zinc plate" and nothing else, then the parts come back out of tolerance. You specify plating thickness tolerance…
How Much Does Anodizing, Nickel Plating, or Chrome Plating Affect the Dimensional Accuracy of Swiss CNC Parts?
We machine Swiss-turned parts 1 to tolerances as tight as ±0.005 mm — then watch them fail first article after plating. Surface treatment changes dimensions. Most drawings never account for…
