





As a hot-selling fastening solution for industrial and construction projects, our Hot Selling Custom Size M18 M20 Zinc Expansion Bolt stands out for its durability, customization, and adaptability to tough industry building environments.
Crafted with high-quality zinc plating, the Zinc Expansion Bolt delivers reliable rust resistance—critical for outdoor or high-humidity industrial sites and building structures. We offer flexible size options: core custom sizes Custom M18 Zinc Expansion Bolt and Custom M20 Zinc Expansion Bolt (ideal for heavy-load parts like steel brackets), plus complementary specifications like expansion bolts m12, expansion bolts m16 to fit diverse project needs. For specific length requirements, we also provide variants like 60mm Zinc Expansion Bolts and 80mm M18 bolts, fully matching your industry building’s on-site demands.

| Standard or Nonstandard | Standard |
| Material | Hot Dip |
| Surface treatment | Zinc Plating |
| MOQ | 1000pcs |
| Sample | Supplied |
| Packing | Pallet |
| Delivery time | 15-25 working days |
| OEM | Welcome |






| Hardware Factory Workshop |
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| With years of hardware production experience, we utilize high-precision, advanced production equipment and cutting-edge technologies & craftsmanship, and have partnered with multiple well-known brands. Backed by a strong design team, professional technical expertise, and strict management systems, we ensure our fasteners are of excellent quality and reliable performance, delivering high-quality products to you. |

Get in touch for more information, pricing, or custom requirements.