Specifies the characteristics of products with thread sizes from M 1,6 up to and including M 20; it recommends a gauging method for the dimensions laid down in the respective product standards; the annex contains the calculation basis
| CSA Group | |
|---|---|
| Product Category | Standards and Technical Documents |
| Product Number | ISO 7721:1983 |
| Product Name | Countersunk head screws - Head configuration and gauging |