HOLO-KROME 76464 براغي رأس مقبس M16-2 × 80 مم | محرك مقبس سداسي | فولاذ سبائكي مؤكسد أسود حراري (25/عبوة)

The black oxide finish on these socket cap screws is perfectly uniform, and the threads cut cleanly into the M16 tap without any binding. I used them to rebuild a press jig and they've held torque beautifully.

The hex drive on these M16 screws seated perfectly with my Allen key, no stripping or slippage. The black oxide finish seems durable and hasn't flaked during my jig assembly work. Solid feel for heavy-duty tooling use.

Machine work’s been smoother since swapping these in—the hex socket drive grabs tight without stripping, and the alloy steel holds up even after a full shift of jig use. The thermal black oxide also gives them a clean, uniform look that makes assembly checks easier. These are exactly what I needed f