Aerospace series. Six lobe recesses for bolts. Technical specification.
STANDARD published on 30.5.2008
Designation standards: BS EN 3905:2008
Publication date standards: 30.5.2008
The number of pages: 10
Approximate weight : 30 g (0.07 lbs)
Country: British technical standard
Category: Technical standards BS
ISBN: 978 0 580 60980 0 Status: Confirmed