Higher TG numbers (e.g., TG6–TG9) represent lower precision, standard industrial production. OKW Gehäusesysteme Necessary Callout Information
Crucially, the standard explicitly excludes certain features from these general tables—for example, chamfered edges of screw threads, or dimensions that directly affect assembly of critical safety components. iso 20457 tolerance table pdf
: A comprehensive 28-page PDF that includes detailed tolerance tables, explanations of dimensional deviations, and the relationship between ISO 20457 and DIN 16742. Higher TG numbers (e
For parts requiring extremely tight tolerances, often involving higher production costs and surcharges. Achievable General Tolerances Higher TG numbers (e.g.
The Tolcap Rough Guide to Tolerancing Plastic Mouldings - Tol