Specification. Unified black hexagon bolts, screws, nuts (UNC & UNF threads). Heavy series.
NORMA vydána dne 24.9.1951
Označení normy: BS 1769:1951
Datum vydání normy: 24.9.1951
Počet stran: 18
Přibližná hmotnost: 54 g (0.12 liber)
Země: Britská technická norma
Kategorie: Technické normy BS
Dimensions, general requirements for sizes 1/2 in to 2 in. Dimensions of bolts, screws, ordinary nuts, lock nuts, slotted nuts, bolts faced under the head and machined on shank, machined nuts. Formulae for calculation of dimensions for bolts, screw heads, nuts in intermediate sizes, and sizes larger than 2 in. Status: Confirmed