PERNOS DE CABEZA HEXAGONAL. PRODUCTO DE CLASE C. (ISO 4016:1988). (VERSION OFICIAL EN 24016:1991)
HEXAGON HEAD BOLTS. PRODUCT GRADE C . (ISO 4016:1988).
VIS PARTIELLEMENT FILETÉE À TÊTE HEXAGONALE. GRADE C. (ISO 4016:1988)
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21.060.10 / Bolts, screws, studs
CTN 17 - Fasteners
EN 24016:1991 (Identical)
ISO 4016:1988 (Identical)
It is cancelled by: UNE-EN ISO 4016:2001