M5 X 6mm 內六角肩螺絲 | 內六角頭 | 內六角驅動 | 18/8 不鏽鋼 (25個/包)

The precision-ground shoulder made a huge difference when I set these up as axle pins—everything spun perfectly true with zero wobble. For twenty-five screws, the stainless finish looks clean and the hex drive grabbed tight without stripping.

I used these as pivot pins for a small jig I built, and the socket drive made installation much cleaner than with a standard hex key. The shoulder is smooth enough that the part rotates without any noticeable wobble.

The precision-ground shoulder on these M5 screws made a huge difference when I used them as a pivot point for a small robotic arm—no wobble at all. The stainless steel feels solid, and the hex socket drive was easy to tighten with my driver. Exactly what I needed for this project.