
Cross Recessed Countersunk Flat Head Screws (common Head Style) - Product Grade A And Property Class 4.8 Only
出版:International Organization for Standardization

專家解讀視頻
1983
BS DRAFT 91/83745 DC REFERS TO A NEW REVISION
NFE 25 119:1984 - Similar
DIN 965 (1990-08) - Similar
DIN ISO 7046 (1990-08) - Identical