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BS 450:1958

M00000358

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BS 450:1958 Specification for machine screws and machine screw nuts (B.S.W. & B.S.F. threads)

standard by BSI Group, 06/30/1958

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$131.06

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$304.80

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Full Description

Dimensions, tolerances and general requirements for sizes above and below 3/16 in. Covers screws of the following types: 90 degrees countersunk and raised countersunk, round, pan, cheese and mushroom with slotted and with recessed heads. Appendices on dimensions of hexagon head screws and hexagon precision nuts in sizes below 3/16 inch; flushness gauge for countersunk heads; penetration of standard gauge points for recessed heads; formulae for dimensions; tables of standard sizes.

Cross References:
BS 57
BS 84
BS 1473
BS 1475
BS 1476
BS 1580
BS 1981
BS 2827
BS 3643
BS 4183
Handbook No. 18