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BSI BS A 401-420:2015

Current Revision

Specification for screws, pan and 100° countersunk head, hexalobular drive recess (unified threads below $9D inch) in various materials

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(unified threads below + inch) in various materials

SDO BSI: British Standards Institution
Document Number BS A 401-420
Publication Date Oct. 31, 2015
Language en - English
Page Count 36
Revision Level
Supercedes
Committee
Publish Date Document Id Type View
Oct. 31, 2015 BS A 401-420:2015 Revision