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BSI BS 325:1947

Black iron and steel cup and countersunk bolt-heads, nuts and washers
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BSI BS 325:1947

Black iron and steel cup and countersunk bolt-heads, nuts and washers

PUBLISH DATE 1947
PAGES 16
BSI BS 325:1947

Specification for Black Cup and Countersunk Bolts and Nuts

Nominal sizes ÂĽ 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.

SDO BSI: British Standards Institution
Document Number 325
Publication Date April 17, 1947
Language en - English
Page Count
Revision Level
Supercedes
Committee FME/9
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