| Origin | China |
| brand | TTF |
| standard | ANSI standard |
| Product name | Spool upsetting bolts |
| material | steel |
| Manufacturing technology | forging |
| Finish | Hot-dip galvanizing |
| Development mode | According to the customer’s drawing, then we redesign and open. |
| Packing | Poly bags for each piece and crate or according to customer’s requirements |
| size | Cusomized |
| certificate | ISO 9001:2015 certified |
| MOQ | 1000 pcs |
HDG Spool Bolt(Double Upset Bolt)1/2*321
