• BS 450:1958

BS 450:1958

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

BSI Group , 06/30/1958

Publisher: BS

File Format: PDF

$175.00$350.52


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

More BS Standards PDF

BS PD IEC TS 62791:2022

BS PD IEC TS 62791:2022

$199.00 $399.00

BS 341-1:2022

BS 341-1:2022

$155.00 $310.00

BS PD ISO/TR 20527:2022

BS PD ISO/TR 20527:2022

$95.00 $191.00

BS PD CEN ISO/TS 24283-1:2022