Анкерный болт Ran Dong M4*20
This expansion screw from Ran Dong is a high-reliability fastening element specifically designed to provide a secure connection in construction structures. Made from high-quality Q235 carbon steel, it ensures excellent mechanical strength and resistance to heavy loads.
The galvanized surface treatment protects the metal from corrosion and oxidation, significantly extending the lifespan of the fastener even in high-humidity environments. Compliance with the GB6170-86 standard confirms the quality and precision of every component.
Thanks to its design, the anchor is easy to install and provides firm fixation in various materials such as concrete or brick. It is an ideal solution for professional construction and renovation projects requiring maximum stability and durability.
| Surface treatment | Galvanized |
| Brand | Ran Dong |
| Product grade | A-level |
| Main downstream platforms | Amazon, independent website, AliExpress |
| Cross-border export exclusive source | Yes |
| Standard | GB6170-86 |
| Material | Q235 carbon steel |
| Usage | Standard |
| Strength grade | Level 4 |
| Applicable Industries | Construction |