XunLiu M4 20MM Nylon Phillips Screw Metric Plastic Machine Pan Round Head Screw Pack of 100 (M4X20)

1. Medical device industry (insulation/non-magnetic/environmental protection/anti-interference, making medical machinery and equipment more safe to use) 2. Wind power industry (isolation/insulation of chassis circuit /PCB board) 3. Aerospace industry (insulation/anti-interference number on electronic equipment) 4. Office equipment industry (never rust/beautiful and practical) 5. Petrochemical industry (chemical resistance/corrosion resistance/extended service life of equipment) 6. Electronic industry (insulation/anti-interference/light weight) 7. Communication industry (insulation/non-magnetic/safety) 8. Ship industry (acid/alkali/corrosion resistance/extended service life)