BS EN 493:1992被替代
Fasteners. Surface discontinuities. Nuts
出版：British Standards Institution
专家解读视频
Establishes limits for various types on nuts of product grades A and B with thread diameters from 5 mm to 39 mm inclusive.
© British Standards Institution 2013
I.S. EN 493:1993 - Identical
DIN EN 493 (1992-07) - Identical
NF EN 493:1992 - Identical
NEN EN 493:1993 - Identical
ONORM EN 493:1993 - Identical
UNI EN 493:1993 - Identical
NS EN 493 Ed. 1 (1992) - Identical
SS EN 493 Ed. 1 (1992) - Identical
UNE EN 493:1993 - Identical
