Knurled Aluminum Alloy Single Layer Hand Tight Nut Thin Small Step Nut, Specification: M4-D12x3Red

1. Material: aluminum alloy
2. Light weight and high strength
3. High hardness, no deformation
4. Strength grade: 4.8
5. Corrosion and rust resistance, durable
6. Fine craftsmanship and uniform force
7. Surface treatment: anodized
8. Long service life, antistatic
9. The thread is sharp, which is more convenient for drilling
10. Use: suitable for assembling machine tools and accessories