Me too. They’re sold by the inner diameter, and the outer diameter is 0.2 mm bigger. 0.8 mm is a tight, but possible, fit for pin headers, and you have to drill out at 1 mm, and the flange is at ...

Surface mount devices have gotten really small, so small that a poorly timed sneeze can send your 0603 and 0402 parts off to live with the dust motes lurking at the edge of your bench. While ...