Hexagon socket screws and wrench keys: metric series. Specification for hexagon socket head cap screws.
NORMA vydaná dňa 31.7.1981
Designation standards: BS 4168-1:1981
Note: NEPLATNÁ
Publication date standards: 31.7.1981
The number of pages: 10
Approximate weight : 30 g (0.07 lbs)
Country: British technical standard
Kategória: Technické normy BS