Upper limit deviation is typically , and the lower limit deviation is
Part 2: Tables of standard tolerance classes and limit deviations for holes and shafts. Should You Still Use DIN 7161? din 7161 pdf extra quality
Put simply: When a designer forgets to put a tolerance on a hole or a shaft, DIN 7161 tells the machinist what is acceptable. Upper limit deviation is typically , and the
Locate the basic size of your component on the blueprint. Locate the basic size of your component on the blueprint
These extra quality tolerances are typically specified using a prefix "E" or "EK" and are usually tighter than the standard tolerances by a factor of 2 to 5.
Some CAD systems (SolidWorks, AutoCAD Electrical) have tolerance wizards that pull data directly from a licensed DIN 7161 dataset. This is technically not a "PDF," but it is the highest quality digital representation.