حلقات قفل انشطارية #4 | ستانلس ستيل 18-8، أكسيد أسود (1000/عبوة)

The black oxide finish gives these a nice matte look and seems to hold up well under my bench grinder setup. Washers are uniform, no sharp burrs, and the 18-8 stainless gives me confidence they won't rust out. A full thousand pack means I won't be reordering anytime soon.

The black oxide finish on these washers looks great and seems durable, holding up well during assembly. I used them on a small electronics project where vibration was a concern, and they keep everything snug.

Trying these out on a small vibration-heavy assembly; the black oxide finish is holding up well so far without any chipping off. The 18-8 stainless steel feels like it’ll resist corrosion longer than the cheaper zinc ones I used before. Only wish they came in a smaller pack size since a thousand is