ISO 4205:1991被替代
Countersinks, 90 degrees, with parallel shanks and solid pilots
出版：International Organization for Standardization
專家解讀視頻
NF ISO 4205:1992 - Identical
BS 328-6:1992 - Equivalent
DIN 1866 (1975-06) - Identical
JIS B 4255:1999 - Identical
KS B 3503:2002 - Modified
KS B 3503:2012 - Modified
DIN 1866 (2007-12) - Similar
GB/T 4263-2004 - Modified
