Material: Nylon T PA66 plastic - white
natural color
Type: Flat washer, thick type
Size: m12 nylon washer
Function: Insulation t sealing
What it is for:
1, Electrical insulation - Most important. It
stops brass bolt you showed before from
touching steel body. Used with brass bolts for
panel/busbar insulation. So bolt t this nylon
washer = insulated.
2. Sealing washer - For plumbing to stop water
leak
3. Protects surface - Plastic won't scratch or
damage when tightening
4. Anti-vibration - Absorbs vibration so nut
doesn't loosen.