Flanged button head machine screws have a built-in washer that ensures superior force distribution over a greater area, eliminating the need for a separate washer.
The smooth head design gives a neat, professional finish free from sharp edges, great for furniture an automotive applications.
A black oxide finish provides minimal corrosion resistance, best for indoor, dry environments. This finish is not suitable for outdoor applications, and will rust when exposed to moisture. For the best corrosion resistance combined with highest strenght, choose 10.9 zinc plated.
