براغي رأس مقبس M4-0.7 × 25 مم | رأس مسطح محرك مقبس سداسي | ملولبة بالكامل | فولاذ سبائكي فئة 10.9 مطلي بالزنك (400 / عبوة)

Installing these on a jig for a production run was a breeze thanks to the clean hex socket drive. The zinc plating looks uniform and should keep rust away in our shop environment.

Used a full bag of these for a custom fixture build, and the hex socket drive made installation quick even in tight spots. The Class 10.9 zinc plating held up well against minor oil exposure on the shop floor.

Finally got around to swapping out the cheap fasteners on my drill jig with these Class 10.9 alloy steel ones, and the zinc plating looks clean and even across all 400 pieces. They thread in smoothly every time, no burrs or binding, which is a relief when you’re assembling something you don’t want t