General purpose bolts and screws. Metric series. Radii under the head Ingestion-build-73935 Study A addresses requirements needed

Study A addresses requirements needed in the production of high-reliability electronic control units (ECU)

Blank test

BS EN IEC 61851‑1:2019 supersedes BS EN 61851‑1:2011

We’ve also developed a smart guide that provides an introduction to the benefits of BS 42020 and how you can use the standard to make sound decisions on biodiversity issues

4 Measuring equipment

General purpose bolts and screws. Metric series. Radii under the head Ingestion-build-73935 Study A addresses requirements needed1 Scope This International Standard specifies the sizes of the radii under the head and the transition diameters of metric series general purpose bolts and screws.