ISO 21771-2:2025

Cylindrical involute gears and gear pairs — Part 2: Calculation and measurement of tooth thickness and backlash

STANDARD published on 18.12.2025

English -
electronic design (pdf) (336.40 USD)
English -
Print design (336.40 USD)

French -
electronic design (pdf) (336.40 USD)
French -
Print design (336.40 USD)

The information about the standard:

Designation standards: ISO 21771-2:2025
Publication date standards: 18.12.2025
The number of pages: 140
Approximate weight : 451 g (0.99 lbs)
Country: International technical standard
Category: Technical standards ISO