Lista selectiva de tornillos de acero con cabeza cilíndrica y hueco hexagonal, con o sin protección superficial.
SELECTIVE LIST OF STEEL SCREWS WITH ROUNDHEAD AND HEX SOCKET, WITH SUPERFICIAL PROTECTION OR WITHOUT IT.
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21.060.10 / Bolts, screws, studs
CTN 25 - Railway applications
This standard is available in:
Print and digital format
Spanish
