10Pcs M4 52mm 304 Stainless Steel Self Tapping Screw Eye Bolt Ring Hook with Expansion Pipe

- Manufactured from 304 stainless steel, ensure its high hardness and corrosion resistance. 

- Suitable for marine, outdoor and moist applications, not easily to rust, durable for use.

- Self tapping installation, quick to install, mostly screw into wood or other similar materials. 

- 20mm Long thread length, ensure its good holding capapcity.

- Ideal for hang your daily objects on wall, or making your DIY crafts.