Iso 2768 Mk [best] Jun 2026

The most common standard for general engineering and CNC machining. c (Coarse): For parts where high precision is not critical. v (Very Coarse): Used for rough manufacturing processes. 2. The "K" (ISO 2768-2): Geometrical Tolerances

The code specifies two distinct classes: ıso 2768 mk

: Defined in ISO 2768-1 , this covers linear and angular dimensions (e.g., lengths, diameters, and radii). The most common standard for general engineering and

For standard linear dimensions (lengths, diameters, etc.), the following deviations apply under class : Nominal Dimension (mm) Permissible Deviation (mm) 120 to 400 400 to 1000 Source: Rapid-Protos Geometrical Tolerances (Class K) it provides a clear

Below is a structured report template you can use to document compliance or inspection for a part under this standard. 1. General Information Part Name/Number: [Enter Part Name] Material: [Enter Material, e.g., Aluminum 6061]

. Eurotools +1 2. ISO 2768-2: Geometrical Tolerances (Class "K") Geometric tolerances control the shape, orientation, and position of features. seathertechnology.com +1 Table: Geometrical Tolerance Limits (Class K) DAU Components +1 Feature Type Range (mm) Tolerance (mm) Straightness & Flatness up to 10 0.05 over 10 to 30 0.1 over 30 to 100 0.2 over 100 to 300 0.4 over 300 to 1000 0.6 Perpendicularity up to 100 0.4 over 100 to 300 0.6 over 300 to 1000 0.8 Symmetry up to 100 0.6 over 100 to 300 0.6 over 300 to 1000 0.8 Circular Run-out All ranges 0.2 Parallelism: Not listed in a separate table; it is equal to the size tolerance or the flatness/straightness tolerance, whichever is greater. Cylindricity: General tolerances for cylindricity are not specified. JLCCNC +1 3. Application Guidelines Implementation: Indicate

Understanding this standard is essential for both designers and machinists. For designers, it reduces drawing clutter and focuses attention on critical dimensions. For manufacturers, it provides a clear, achievable benchmark for non-critical features, optimizing production efficiency and cost-effectiveness. The combination remains a benchmark for standard industrial fit and function.