براغي ذات رأس مقبس HOLO-KROME 76784 M12-1.75 X 16mm | محرك مقبس سداسي | سبيكة فولاذية أكسيد أسود حراري (100 / عبوة)

The black oxide finish on these M12 screws looks clean and professional, and they threaded perfectly into my fixture jig without any binding. For the price per piece, you get a solid batch of alloy steel fasteners that feel robust enough for heavy-duty tooling work.

Needed some high-strength fasteners for a tooling repair, and these black oxide screws fit the bill perfectly. The hex socket drive made installation quick with no stripping issues.

Put these to work on a jig I was building and the hex socket drive took torque beautifully without stripping. The 16mm length was exactly right for the assembly. Exactly what I needed for a clean, solid hold.