While many modern applications have transitioned to international ISO standards , DIN 7161 is still widely respected and utilized in industries where specific historical or regional European requirements must be met. Technical Scope and Application

: The official source for all DIN standards . They provide current and historical versions in both German and English.

DIN 7161 specifies the permissible deviations (tolerances) for internal dimensions, specifically for holes. It is designed to work in conjunction with broader systems of limits and fits, such as those found in DIN ISO 286-2. : Covers nominal diameters from 1 mm to 500 mm .

You can obtain official, high-quality versions of DIN 7161 through several authoritative platforms:

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