| Use: | Coal Mining |
|---|---|
| Material: | High Manganese Steel |
| Certification: | AISI |
| Type: | Drill Bit |
| Brand Name: | xizuan |
| Processing Type: | Casting |
| Machine Type: | Drilling Tool |
| Model Number: | AQ/BQ/NQ/PQ/HQ |
| Place of Origin: | China (Mainland) |
Quick Details
Specifications
Diamond Reaming shell are important tools to be used together with bits.It's main Function are maintaining borehole gage.Improving drill string stability and Protecting lower drill string from excessive wear.
Helical
Type reaming shell provides a good passage for drilling fluids.the matrix is
Wearproof,and its service life long. Type Category Bit Size(mm) Reaming Double-reaming shell P56,p59,p75,p91,p110,p130 Single-tube reaming
Shell D56,d59,d75,d91,d110,d130,d150,d171,d223 Wireline reaming shell S56,s59,s75,s95,bc,nc,PC,t2-76,t2-86
