• BS 4320:1968

BS 4320:1968

Specification for metal washers for general engineering purposes. Metric series

BSI Group , 05/23/1968

Publisher: BS

File Format: PDF

$95.00$190.50


Relates to bright metal and black metal washers for use with ISO metric bolts, screws and nuts. The washers are basically divided into 3 categories of size: 'normal', 'large' and 'extra large' diameter series and the bright washers are further divided by including a 'light range' which have thicknesses approximately 60 per cent of the 'normal range' thicknesses. The bright metal washers cover the range for bolts, M1 to M39, and the black metal washers cover the range M5 to M68. Appendix gives details of sizes greater than 68 mm diameter, up to and including size M150.Cross References:BS 21BS 265BS 1449:Part 3BBS 1580 BS 1706BS 3410BS 3643BS 3692BS 4183BS 4190ISO/R 272ISO/DR 940DIN 522

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