Tornillos de cabeza hexagonal. Productos de clase C. (ISO 4018:1999).
Hexagon head screws. Product grade C. (ISO 4018:1999)
Vis à tête hexagonale entièrement filetées. Grade C. (ISO 4018:1999).
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See part of the content of the standard
21.060.10 / Bolts, screws, studs
CTN 17 - Fasteners
EN ISO 4018:2000 (Identical)
ISO 4018:1999 (Identical)
It is cancelled by: UNE-EN ISO 4018:2011
Cancel: UNE-EN 24018:1992