TUERCAS HEXAGONALES ALMENADAS DE ROSCA METRICA. DIAMETROS NOMINALES DE 4 A 39 MM
METRICS THREADS CASTELLATED HEXAGONAL NUTS. 4-39 MM NOMINAL DIAMETERS.
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21.060.20 / Nuts
CTN 17 - Fasteners
ISO/R 288:1963 (Non-equivalent)
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