NF EN 493:1992被替代

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.

INDICE DE CLASSEMENT: E25400-3

NF EN ISO 10484:2004

NF EN ISO 10485:2004

NF EN ISO 6157-2:2004

ONORM EN 493:1993 - Identical

NEN EN 493:1993 - Identical

SNV NF EN 493:1992 - Identical

UNE EN 493:1993 - Identical

SS EN 493 Ed. 1 (1992) - Identical

NS EN 493 Ed. 1 (1992) - Identical

UNI EN 493:1993 - Identical

I.S. EN 493:1993 - Identical

BS EN 493:1992 - Identical

DIN EN 493 (1992-07) - Identical