
Cross recessed machine screws. Specification for countersunk flat head screws product grade A and property class 4.8 only
出版:British Standards Institution

專家解讀視頻
Characteristics of cross recessed countersunk flat head screws with thread sizes from M 1,6 to M 10 inclusive.
? British Standards Institution 2013
General notes:
This standard has been withdrawn as it is no longer used. It is partially replaced by BS EN ISO 7046-1:1994
Amendment notes:
AMD 8505 published 15 March 1995