DIN EN 493 (1992-07)被替代
Fasteners - Surface Discontinuities - Nuts
出版：German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频
This standard is included in DIN Handbook 55. Sets limits for several types of surface discontinuities on nuts of product grades A and B with thread diameters from 5 mm to 39 mm inclusive. Also includes detailed annexes.
Supersedes DIN 267-20 & -21. (03/2003)
ISO 6157-2:1995 - Identical
NF EN 493:1992 - 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
NEN EN 493:1993 - Identical
ONORM EN 493:1993 - Identical
BS EN 493:1992 - Identical
I.S. EN 493:1993 - Identical
SNV NF EN 493:1992 - Identical
SNV DIN EN 493:1992 - Identical
