براغي رأس مقبس #12-24 × 1-3/8" | قيادة مقبس سداسي | خيط جزئي | فولاذ سبائكي بأكسيد حراري أسود (100 / عبوة)

Installed these in a new tooling fixture and the hex socket drive made tightening a breeze, even in tight spots. The black oxide finish feels durable and didn't chip on the first few adjustments. Solid little screws for precision work.

I needed some stronger fasteners for a jig I’m building, and these cap screws fit perfectly with their #12-24 threads. The black oxide finish feels durable and clean, and the hex socket drive works smoothly without stripping.

The hex socket drive engages my Allen wrench securely without any wobble—a big plus for repeated tightening. After using a few in my tooling fixture, the black oxide finish held up nicely against minor scrapes. Exactly what I needed for precise assembly work.