It provides a universal language between designers and manufacturers worldwide, ensuring that a part made in Germany fits a part made in the USA. When NOT to use it
(straightness, flatness, perpendicularity, symmetry, and circular run-out). Tolerance Tables for ISO 2768-mK All values are in millimeters (mm) unless otherwise stated. ALFA MIMtech 1. Linear Dimensions (Class m) Applies to external sizes, internal sizes, and diameters. Range (Nominal Size) Tolerance (±) 0.5 to 3 mm >3 to 6 mm >6 to 30 mm >30 to 120 mm >120 to 400 mm >400 to 1000 mm >1000 to 2000 mm >2000 to 4000 mm 2. External Radii and Chamfer Heights (Class m) Applies to broken edges and rounded corners. ALFA MIMtech Range (Nominal Size) Tolerance (±) 0.5 to 3 mm >3 to 6 mm 3. Angular Dimensions (Class m) Applies to angular measurements. ALFA MIMtech Length of Short Side Tolerance (±) Up to 10 mm >10 to 50 mm >50 to 120 mm >120 to 400 mm Over 400 mm 4. Geometrical Tolerances (Class K) Applies to the form and position of features. waterson.com Feature Type Range (Nominal Length) Straightness & Flatness Up to 10 / 30 / 100 / 300 / 1000 / 3000 mm 0.05 / 0.1 / 0.2 / 0.4 / 0.6 / 0.8 mm Perpendicularity Up to 100 / 300 / 1000 / 3000 mm 0.4 / 0.6 / 0.8 / 1.0 mm Up to 100 / 300 / 1000 / 3000 mm 0.6 / 0.6 / 0.8 / 1.0 mm Circular Run-out All lengths Important Considerations Understanding ISO 2768-mK Tolerances for Engineers
| Nominal Length of Shorter Side (mm) | Tolerance (mm per meter) | Tolerance (degrees/minutes) | | --- | --- | --- | | Up to 10 | ±1° | ±1° | | >10 to 50 | ±0°30' | ±0°30' | | >50 to 120 | ±0°20' | ±0°20' | | >120 to 400 | ±0°10' | ±0°10' | | >400 | ±0°5' | ±0°5' |
The first letter refers to (Linear & Angular tolerances). There are four classes:
Or, if you want to be explicit:
, which covers linear and angular dimensions (lengths, radii, diameters, angles). ISO 2768-2
Iso 2768-mk — General Tolerance
It provides a universal language between designers and manufacturers worldwide, ensuring that a part made in Germany fits a part made in the USA. When NOT to use it
(straightness, flatness, perpendicularity, symmetry, and circular run-out). Tolerance Tables for ISO 2768-mK All values are in millimeters (mm) unless otherwise stated. ALFA MIMtech 1. Linear Dimensions (Class m) Applies to external sizes, internal sizes, and diameters. Range (Nominal Size) Tolerance (±) 0.5 to 3 mm >3 to 6 mm >6 to 30 mm >30 to 120 mm >120 to 400 mm >400 to 1000 mm >1000 to 2000 mm >2000 to 4000 mm 2. External Radii and Chamfer Heights (Class m) Applies to broken edges and rounded corners. ALFA MIMtech Range (Nominal Size) Tolerance (±) 0.5 to 3 mm >3 to 6 mm 3. Angular Dimensions (Class m) Applies to angular measurements. ALFA MIMtech Length of Short Side Tolerance (±) Up to 10 mm >10 to 50 mm >50 to 120 mm >120 to 400 mm Over 400 mm 4. Geometrical Tolerances (Class K) Applies to the form and position of features. waterson.com Feature Type Range (Nominal Length) Straightness & Flatness Up to 10 / 30 / 100 / 300 / 1000 / 3000 mm 0.05 / 0.1 / 0.2 / 0.4 / 0.6 / 0.8 mm Perpendicularity Up to 100 / 300 / 1000 / 3000 mm 0.4 / 0.6 / 0.8 / 1.0 mm Up to 100 / 300 / 1000 / 3000 mm 0.6 / 0.6 / 0.8 / 1.0 mm Circular Run-out All lengths Important Considerations Understanding ISO 2768-mK Tolerances for Engineers general tolerance iso 2768-mk
| Nominal Length of Shorter Side (mm) | Tolerance (mm per meter) | Tolerance (degrees/minutes) | | --- | --- | --- | | Up to 10 | ±1° | ±1° | | >10 to 50 | ±0°30' | ±0°30' | | >50 to 120 | ±0°20' | ±0°20' | | >120 to 400 | ±0°10' | ±0°10' | | >400 | ±0°5' | ±0°5' | It provides a universal language between designers and
The first letter refers to (Linear & Angular tolerances). There are four classes: ALFA MIMtech 1
Or, if you want to be explicit:
, which covers linear and angular dimensions (lengths, radii, diameters, angles). ISO 2768-2