Hexagon socket screws and wrench keys: metric series. Specification for hexagon socket button head screws.
STANDARD published on 31.8.1982
Designation standards: BS 4168-6:1982
Note: WITHDRAWN
Publication date standards: 31.8.1982
The number of pages: 10
Approximate weight : 30 g (0.07 lbs)
Country: British technical standard
Category: Technical standards BS