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BSI - BS A 401-420

AEROSPACE SERIES Specification for screws, pan and 100° countersunk head, hexalobular drive recess (unified threads below 1⁄4 inch) in various materials

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Organization: BSI
Publication Date: 31 October 2015
Status: active
Page Count: 36
ICS Code (Bolts, screws, studs): 49.030.20

Document History

BS A 401-420
October 31, 2015
AEROSPACE SERIES Specification for screws, pan and 100° countersunk head, hexalobular drive recess (unified threads below 1⁄4 inch) in various materials
A description is not available for this item.

References

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