براغي رأس مقبس M4-0.7 × 18 مم | رأس مسطح محرك سداسي | ملولبة بالكامل | سبيكة فولاذ فئة 12.9 مطلي بالزنك (600 / عبوة)

I’m working on a custom jig and these M4 flat head screws fit perfectly—the hex socket drive makes installation a breeze. The 12.9 alloy steel feels tough enough for repeated adjustments without stripping.

Packing 600 of these in a single box saves me from multiple trips to the hardware store for small runs. The zinc plating on the 12.9 alloy steel gives a clean look and resists surface rust well.

I only needed about 50 for a jig build, but at 600 per pack the price per screw is unbeatable, and every one of them threaded cleanly into the tapped holes without a single stripped drive. The zinc plating has a nice even finish, and the 12.9 alloy steel feels properly tough for the clamping loads I