حلقات قفل متوسطة M3 | فولاذ مطلي بالنحاس (1000 / عبوة)

Used these on my 3D printer's linear rail mounts, and the brass plating makes them easy to spot against black anodized aluminum. They bite in well and haven't loosened despite the constant vibration.

Tossed a handful of these onto my M3 bolts and they seated perfectly flat, no wobble or snagging while I was tightening a batch. The brass plating gives them a subtle golden sheen that looks surprisingly classy on my build. A thousand in the bag means I won't be reordering for a long while.

These washers have a nice brass-plated sheen that made them easy to spot against the steel bolts I used them on, and the plating kept them from rusting after a few damp days. Counted out a hundred for a prototype batch and they were all consistent, no bent or flattened pieces. Locking them under vib