براغي رأس مقبس M20-2.5 × 75 مم | محرك مقبس سداسي | ملولبة جزئيًا | فولاذ سبائكي فئة 8.8 مع أكسيد أسود حراري (25 / عبوة)

Installing these on a precision assembly was a breeze—the hex socket drive gripped perfectly without any cam-out. The black oxide finish looked clean and professional once torqued down.

I used these to secure a heavy jig frame, and the 75mm length gave me just enough thread engagement without bottoming out. The hex socket drive held up well to high torque without stripping, and the partial threading made alignment easier.

The black oxide finish on these screws looks really clean and professional, and the partially threaded design made them perfect for my jig setup. I've already used half the pack and every one seated perfectly without any issues.