Viti a brugola testa a bottone viti a trazione esagonale M4M5M6M8 classe 10,9 acciaio ni-plated

※Yield strength: 900mpa/mm². ※ ※ Thread direction: right thread. ※ ※ Thread Spacing: coarse thread. ※ ※ Color: nickel plating (natural/black optional). ※ ※ Model: 10.9 steel round head hexagon socket bolt.

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