ISO 2338 Stainless Steel Dowel Pins | Sheng Fong Precision ISO 2338 is an international standard for unhardened parallel pins (Parallel Pins, Unhardened). In practical applications and supplier catalogs, it is often compared alongside the German DIN 7 standard. However, the two are not completely identical. ISO 2338 measures length end-to-end (including chamfers), while DIN 7 nominal length excludes the end form, meaning the actual total length may be 0.3–8.0 mm longer than t

ISO、JIS、DIN、ASME The Essential Beginner’s Guide to Global Fastener Standards The reason hardware parts can be used, replaced, and serviced across machines worldwide comes down to one thing: standards. There are many standards in the world, but in fasteners and mechanical parts, you’ll most often run into these four: ISO, JIS, DIN, and ASME. This article will walk you through the origin, differences, and use cases of these four major standards in a clear and practical way, so