High Quality API Oil drill collar
Product Details
1Drill collar are made of modified alloy steel fully heat treated in order to obtain high hardness
2Cold rolling processing the thread ends to achieve good pressure-bearing ability, anti wearing out and longer life-span.
3Thread phosphor or copper coated to achieve good resistant-wearing ability and anti-thread gluing ability
API Oil Drill collar
API Oil Drill collars are available in standard API configurations and connections are cut in accordance with API Spec. 7 & API
- oil drill collar:petroleum drill collar
- Place of Origin:Henan, China (Mainland)
- Country:China (Mainland)
- telephone:86-371-60240005
| Delivery Time: | within 20 days |
| Supply Ability: | 100 Ton per Month |
| Minimum Order Quantity: | 100 Set/Sets |
| Payment Terms: | L/C,T/T |
| oil drill collar: | petroleum drill collar |
| Place of Origin: | Henan, China (Mainland) |
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