براغي ماكينة #4-40 × 1/2 بوصة | رأس بانها فيليبس | فولاذ مؤكسد أسود (4000 / عبوة)

I needed a bulk pack of these for a couple of panel assembly projects, and the Phillips drive worked well with my impact driver without any cam-out. The 4000 count is a huge time-saver, and the black oxide coating seems durable.

The black oxide finish on these screws gives them a solid, uniform look that actually resists scuffs better than I expected during assembly. For the price per screw in this 4000-count pack, they're perfect for our light-duty panel building. I've already used a few hundred and haven't had a single st

Opened the box and the black oxide finish looks clean and uniform across all 4000 pieces. They drove into the enclosure panels without stripping, and the pan head sits flush enough for my project.