ASTM A325 Heavy Hex Structural Bolt with its unique design, our butterfly bolts have a spring-loaded toggle that expands behind the wall once installed. This ensures a secure anchor point that can support a wide range of weights, ensuring whatever you're attaching stays in place. ASTM A325 Heavy Hex Structural Bolt can be used with a wide variety of materials, such as drywall, plaster, and even concrete. We offer our butterfly bolts in a variety of sizes to best fit your needs.
| Place of Origin | CHINA | 
| Standard | ASTM A325 Heavy Hex Structural Bolt | 
| HS CODE | 7318159001 | 
| Brand Name | QBH | 
| Certification | ISO9001 | 
| Material | 35K, 40Cr, 35CrMo, SCM435, etc. | 
| Size | M3-M64 | 
| Production Process | Cold forging≤300mm, Hot forging≤1000mm | 
| Class | 4.8/ 6.8/ 8.8/ 10.9/ 12.9 | 
| Delivery Time | Within 30 Days | 


