براغي رأس مقبس M36-4 × 120 مم | محرك مقبس سداسي | ملولبة جزئيًا | فئة 12.9 سبائك فولاذية بأكسيد حراري أسود (2 / عبوة)

The hex socket drive seated perfectly on my torque wrench, and the black oxide finish has a nice, even coat that feels robust. These M36s are hefty enough for my fixture builds without any wobble in the threads. Shipping was quick, too.

Needed a heavy-duty bolt for a press jig rebuild and these fit perfectly. The partially threaded shank let me get full thread engagement without bottoming out.

The partially threaded design made seating these M36 bolts in our fixture plate a breeze, and the black oxide finish looks sharp. I've torqued them down hard on a jig and the class 12.9 hardness hasn't budged or stripped a single thread.