You will find many websites claiming to offer a free ISO 286 PDF. These are often scanned copies from the 1980s. The standard has been updated (most recently confirmed in 2021). Using an obsolete version can lead to manufacturing errors. Furthermore, these files are often low-resolution, missing the crucial calculation formulas, or riddled with malware.
Generally, no. The International Organization for Standardization (ISO) is a non-governmental body that sells its standards to fund its operations. Downloading a full, legal, and un-watermarked copy of ISO 286-1:2010 or ISO 286-2:2010 for free is technically copyright infringement unless accessed through an institutional subscription.
However, there are legal ways to access the data: iso 286 pdf
The hole is always larger than the shaft. The parts can slide or rotate freely.
When you see a callout like Ø50 H7, here is what it means: You will find many websites claiming to offer
Since most engineers need only the tables (not the academic foreword), we have summarized the critical data from the ISO 286 standard. You can bookmark this or copy it into your own ISO 286 reference PDF.
If you purchase or access a legitimate copy of ISO 286-1:2010, here is exactly what you will find: Since most engineers need only the tables (not
An exhaustive list of tolerance values (in micrometers or millimeters) for basic sizes ranging from 0 mm up to 3150 mm (often broken into steps).
Yes, many engineers manually enter the formulas from the ISO 286 PDF into Excel. However, you cannot legally redistribute that spreadsheet without permission from ISO.