BS 325:1947
$102.76
Specification for black cup and countersunk bolts and nuts
Published By | Publication Date | Number of Pages |
BSI | 1947 | 16 |
Nominal sizes ¼ in to 1 in. Dimensions for cup head bolts with square, oval and nibbed shanks, and countersunk headed bolts with square and nibbed shanks for use on steel work and wood work; square and hexagon nuts. Lengths of thread and their tolerances, form of end of bolt shank, quality of steel.