Countersunk flat head screws — Part 2: Penetration depth of cross recesses
NORMA vydána dne 23.8.1990
Designation standards: ISO 7721-2:1990
Publication date standards: 23.8.1990
The number of pages: 3
Approximate weight : 9 g (0.02 lbs)
Country: International technical standard
Kategorie: Technické normy ISO