براغي رأس كبس #4-48 × 1-1/2 بوصة | محرك سداسي | ملولب جزئيًا | فولاذ سبائكي أسود حراري (100/عبوة)

I’ve been looking for #4-48 screws that actually hold up in tight jig assemblies, and these fit perfectly without any binding. The hex socket drive grabbed my hex key cleanly, saving me from stripping the head on the first install.

The thermal black oxide finish on these #4-48 screws gives them a nice, even coating that doesn’t flake off when I’m torquing them down in a tight spot. They threaded cleanly into my precision fixture without any binding, and the partially threaded design held firm. Exactly what I needed for a hundr

The black oxide finish on these screws looks great in my jig setup, and the partial threading gave me just the right grip for a tight assembly. I've already ordered another pack for my next tooling project.