Place of Origin | Shandong, China | Brand Name | ruizuan |
Model Number | B47K C31HD B43H B85 | Type | Center Drill Bit |
Use | Well Drilling | Working Length (mm) | 50 |
Finish | Black Oxide | Material | 42CrMo |
Processing Type | Forging | Machine Type | Drilling Equipment |
Certification | ISO9001-2008 |
No.7 Songhua River Road ,Liaocheng Economic Developing Zone