Production process for heat-treated hex head bolt
-Anyang Longteng Heat Treatment Material Co.,Ltd
- Raw material retest
- Pealling(larger than M20) / drawing(smaller than M20)
- Cutting
- Chamfering
- Hot-forged
- Chamfering hex head
- Heat-treatment
- Lathing
- Thread Rolling
- NDT test
- Degreasing
- Sand blasting
- Corrosion protection (coating)
- Packaging
Note: Above process only apply in Anyang Longteng Heat Treatment Material Co.,Ltd. Different drawings from customer may need changes in production process. If need further information or have any questions, contact [email protected], Ms. Cora Tsao.
Post time: Aug-08-2021