براغي رأس مقبس H3-0.5 × 16 مم من HOLO-KROME 87016 | محرك سداسي رأس مسطح | سبيكة فولاذية أكسيد أسود حراري (100 / عبوة)

I needed a reliable fastener for a small jig build, and these M3 screws fit perfectly in the countersunk holes with no wobble. The hex drive seated easily, and all 100 pieces had clean threads.

The black oxide finish on these screws resists rust far better than the plain stainless ones I used before, which is perfect for my jig fixtures. They seated flush in the countersunk holes without any wobble, saving me a ton of time during assembly.

For a 3D printer build plate mod these fit perfectly with the flat head sitting flush against the surface. The black oxide finish looks clean and gives them a little extra grip when tightening.