BS 325:1947
Specification for black cup and countersunk bolts and nuts
- Standard No.
- BS 325:1947
- Release Date
- 1947
- Published By
- British Standards Institution (BSI)
- Status
- Replace By
- BS 3410:1961
- Latest
- BS 3410:1961
- Scope
- Nominal sizes $9D 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.
BS 325:1947 history
- 1961 BS 3410:1961 Specification for metal washers for general engineering purposes
- 1947 BS 325:1947 Specification for black cup and countersunk bolts and nuts
