براغي رأس سداسي M3-0.5 × 40mm | فولاذ مقاوم للصدأ 18/8 | ملولبة بالكامل (500 / عبوة)

These M3 screws arrived in a sturdy box and the fully threaded design made it easy to get a tight fit in my 3D printer assembly. The stainless steel feels solid and rust-resistant, exactly what I needed for a long-term project.

I needed some longer M3 screws for a mounting bracket project, and these 40mm ones worked perfectly. The stainless steel feels solid and the hex heads drive in cleanly with my socket wrench. A great value for the price, especially getting 500 pieces.

These are exactly what the product page said they’d be — the 18/8 stainless steel feels solid and the hex head fits a socket wrench cleanly without stripping. I used about a hundred of them for a steel frame project and every single one threaded smoothly into the pre-tapped M3 holes. The fully threa