Din 7161 Pdf Jun 2026

No. DIN 7160 originally covered deviations and fits for cylindrical workpieces, while DIN 7161 covered the principles, terms, and definitions for those fits. You need both for a complete system.

Imagine you are looking at an old German blueprint with a shaft dimension written as: . According to DIN 7161 (and its ISO successors), here is how you interpret it: din 7161 pdf

While is a withdrawn standard, it represents a critical piece of engineering history and standardization logic. It simplified the drawing process by establishing default "acceptable error" ranges based on machining capability. For modern applications, engineers should refer to ISO 2768-1 , but a solid understanding of DIN 7161 remains necessary for interpreting archives of German engineering drawings. Imagine you are looking at an old German

The four classes are: