- Place of Origin: Hunan, China (Mainland)
- Brand Name: JS
- Model Number: JSBIT
- Type: Core Drill Bit, Impregnated type, Surface-set type, PDC tyoe,TSP type
- Material: Diamond
- Use: Well Drilling
- working layer: 6mm-14mm
- Application: Coal mining, Ore mining, water well drilling..
- type: single-tube,double tube,wireline.
Packaging & Delivery
|Packaging Details:||Each bit is inner packed in a small carton independently, outer packed in larger carton with other units.|
|Delivery Detail:||3-15 days|
We built our own factory of drill bits. All our goods pass through our rigid quality control before shipment . We have rich experience in the field of large engineering projects such as dam construction, road and railway construction , We have our own construction team.
After-sales service :
If any of the following occur , we will responsible for replace . And we will afford the shipping cost of replace.
1. Thread can not fit customers' rod or barrels.
2.Matrix or PDC cutters falling not caused by drilling.
3. Size, Cutters , or other technical parameters are different from the requirement of customers.
4. working life obviously short caused by manufacture.