ISO 237:1975现行
Rotating tools with parallel shanks - Diameters of shanks and sizes of driving squares
出版：International Organization for Standardization
专家解读视频
DIN 10-1 (1973-04) - Similar
NBR ISO 237:2010 - Identical
GB/T 4267-2004 - Identical
JIS B 4002:1998 - Equivalent
NF ISO 237:2002 - Identical
DIN 377 (2000-05) - Similar
UNI 4090:1966 - Equivalent
NS 1939 Ed. 1 (1967) - Identical
PN M-55019:1994 - Identical
UNE 16131:1975 - Identical
