براغي تثبيت ذات رأس كوب M12 X 40mm | فولاذ سبائكي مطلي بالزنك (50 / عبوة)

The cup point really bites into the shaft—no slipping even after a full day of vibration on the mill. Zinc plating looks clean and the hex socket gave me solid torque in a cramped spot. These are holding up great so far.

The hex socket drive made it easy to tighten these screws in a tight spot without stripping. They held firm on a metal bracket I installed, and the zinc plating seems solid so far. Exactly what I needed for a clean, flush finish.

Even after cinching down a stubborn bracket with an impact driver, the hex socket drive didn't strip at all—these set screws are tough. The cup point really digs in and holds tight without slipping.