براغي رأس كبس #10-24 × 9/16" | محرك سداسي برأس زر | ملولبة بالكامل | فولاذ سبائكي معالجة حرارية سوداء (400 / عبوة)

The black oxide coating on these screws looks really clean and professional, and they fit perfectly into my jig setup without any stripping. No issues with the threading across the whole package so far.

I've been through half the box mounting brackets and fixtures in my shop, and the black oxide coating has held up beautifully without any rust or galling. The hex socket drive bites cleanly every time, and the 9/16" length is exactly right for the stamped steel I'm working with.

These #10-24 button heads are exactly what I needed for a jig I’m building—the black oxide finish looks clean and they seated perfectly with my hex driver. Fed them into pre-tapped holes and each one threaded smoothly without any binding. For four hundred pieces at this quality, it’s a solid deal.