Grub screws (B.S.W., B.S.F.,B.A. and B.S.P.).
NORMA vydaná dňa 29.4.1955
Designation standards: BS 768:1938
Note: NEPLATNÁ
Publication date standards: 29.4.1955
Approximate weight : 300 g (0.66 lbs)
Country: British technical standard
Kategória: Technické normy BS