براغي رأس أسطواني M27-3 X 380mm | محرك سداسي داخلي | ملولبة جزئياً | فئة 12.9 سبائك فولاذ أكسيد أسود حراري

The hex socket drive grabbed perfectly with my torque wrench, and these 380mm screws feel incredibly solid for mounting jigs. They threaded smoothly into the steel plate without any binding. Exactly the heavy-duty hardware I needed for this tooling project.

The partially threaded design made installation in my jig frame much easier. These screws feel incredibly solid, and the black oxide finish looks clean and professional under workshop lights.

The hex socket drive grabbed the threads cleanly, and the 380mm length gave me just the right reach for the jig I was assembling. The black oxide finish feels sturdy and hasn't shown any wear yet.