Iso 20457 Tolerance Table Pdf May 2026

for part sizes based on manufacturing effort and tooling.

when no individual tolerance is specified directly on the drawing. iso 20457 tolerance table pdf

Whether using injection molding, compression molding, or rotational molding, achieving high precision in plastics requires accounting for unique polymer characteristics like shrinkage, moisture absorption, and thermal expansion. 🛠️ The Purpose of ISO 20457 for part sizes based on manufacturing effort and tooling