براغي رأس أسطوانية 1/2-20 × 2 بوصة | محرك سداسي برأس زر | ملولبة بالكامل | فولاذ سبائكي معالجة حرارياً بأكسيد أسود (50 / عبوة)

The black oxide finish on these screws looks really sharp against the aluminum I'm using, and the hex drive makes installation much smoother than a Phillips head ever would. Used a dozen already in a machine rebuild with no issues.

I needed something sturdy for a fixture I'm building, and these fully threaded button heads fit the bill perfectly—they thread smoothly every time, no binding. The hex socket drive makes installation quick even in tight spots.

The black oxide finish is holding up beautifully after a week of assembly work on my jigs, and the hex socket drive grips the Allen key without any slipping. Threads are clean and the full 2" length is fully threaded, which made stacking washers and locking nuts effortless. These are going straight