20Pcs 302 Carbon Steel Self-tapping Thread Insert Accessories(Inner M2*0.4 Outer M4.5*0.5)
- Made of high quality carobn steel, durable to use.
- Large contact area, it can bear strong tension.
- Strong resistance to vibration which can prevent loosening.
- Easy and convenient to install, quickly and simply.
- Widely used in the automotive industry, rail vehicle industry, shipbuilding industry, household appliances, construction machinery, business machinery, electronic products, engineering plastics, advanced furniture, aluminum die-casting and other industri
