BS 325:1947 - Specification for black cup and countersunk bolts and nuts

BS 325:1947

Specification for black cup and countersunk bolts and nuts

Status : Current, Under review   Published : April 1947



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.

Standard NumberBS 325:1947
TitleSpecification for black cup and countersunk bolts and nuts
StatusCurrent, Under review
Publication Date17 April 1947
Confirm Date01 October 2017
Normative References(Required to achieve compliance to this standard)No other standards are normatively referenced
Informative References(Provided for Information)No other standards are informatively referenced
Amended ByPD 1895
PD 4330
PD 5904
DescriptorsDepth, Nuts, Thread pitch, Parallel threads, Bolts, Whitworth screw threads, Steels, Countersunk fasteners, Dimensions, Chamfered, Fasteners, Cup-head fasteners, Length, Square-neck fasteners
Title in FrenchBoulons noirs d'assemblage et a tete fraisee et ecrous. Specification
Title in GermanHohlkuppen- und Senkkopfschrauben und -muttern. Spezifikation
ISBN0 580 34071 6
File Size353.3 KB
NotesThis standard has been declared obsolescent for a further period.

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