Din 7160 Tolerance ((full))

While modern engineering often refers to , DIN 7160 remains a critical reference for bright steel shafts and specific mechanical assembly types. It essentially maps out how much a shaft's diameter can deviate from its "nominal size" (the ideal size) before it is considered out of spec. Din 7160 Tolerance - - Spark Path

While often referenced alongside its counterpart, (which covers internal dimensions or holes), DIN 7160 is strictly concerned with the geometry of the male component in a mating pair. din 7160 tolerance

DIN 7160 assumes cylindrical clearance holes. For threaded holes, the fastener alignment depends on the thread tolerance, not the center distance tolerance. Use a different strategy (e.g., floating nut plates). While modern engineering often refers to , DIN

Modern engineering drawings increasingly use per ISO 1101. The Position Tolerance (⌖) is the direct replacement for DIN 7160's center distance tolerance. DIN 7160 assumes cylindrical clearance holes

For new designs, consider using at MMC. It offers the same mathematical protection as DIN 7160 but with greater flexibility (bonus tolerances, datum referencing).

| Nominal Center Distance (mm) | Tolerance (± mm) | | :--- | :--- | | Up to 30 mm | ±0.07 | | 30 – 50 mm | ±0.08 | | 50 – 80 mm | ±0.10 | | 80 – 120 mm | ±0.12 | | 120 – 180 mm | ±0.14 | | 180 – 250 mm | ±0.16 |

The core of DIN 7160 is not a random table of numbers, but a logical formula derived from the available clearance between mating parts.