براغي رأس كبس M6-1 × 55 مم | رأس مسطح سداسي | خيط جزئي | درجة 10.9 سبيكة فولاذ مؤكسد أسود حراري (200/عبوة)

The black oxide finish on these looks great and held up perfectly while I was torquing them into my fixture plates. Threads ran smooth with no binding, and the 10.9 rating gives me confidence they'll handle the load.

Needed a solid batch for my jig builds and these didn't disappoint—the black oxide finish feels tough and the partial threads seated cleanly into my fixtures. Fifty-five millimeters was exactly the reach I needed, and the hex socket drive took torque without stripping.

The partially threaded design made these perfect for a jig I was building, and the black oxide finish looks clean. They torqued down smoothly without any issues. Exactly what I needed for precision assembly work.