براغي رأس أسطواني M6-1 × 45 مم | رأس زر محرك سداسي داخلي | ملولبة بالكامل | فولاذ سبائك فئة 12.9 مطلي بالزنك (200 / عبوة)

The hex socket drive on these M6-1 x 45mm screws makes assembly with a standard tool incredibly smooth and precise. I used them for a jig project and the 12.9 alloy steel feels noticeably tougher than the usual 8.8 grade I previously used.

The zinc plating on these M6-1 x 45mm screws is flawless—every single one of the 200 came out of the package with a uniform finish and threads that ran clean through my die. They seated perfectly in my precision assembly without any binding, and the hex socket drive grabbed solidly even at torque.

Used these for a jig I was building and the 12.9 alloy steel held up to heavy clamping torque without any stripping. The zinc plating seems durable enough for the workshop environment.