براغي تثبيت برأس كوب M10 × 60 مم | فولاذ سبائكي مطلي بالزنك (50 / عبوة)

The cup point really bites into the shaft and holds firm under heavy vibration, which was my main concern. I used these to secure a pulley on a motor mount and they haven't backed off at all after a week of running. For the price, these are solid—I've already ordered more for another project.

I was able to torque these 60mm set screws down firmly even in a confined space, thanks to the hex socket drive. The zinc plating seems durable and they all threaded smoothly.

The cup point on these screws really bites into metal, and the hex drive made installation simple in a cramped bracket area. Nice finish too, no rough edges.