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| Categories | Drill Bits | 
|---|---|
| Brand Name: | SHITAN | 
| Model Number: | NX BX | 
| Certification: | ISO | 
| Place of Origin: | Jinzhou ,China | 
| MOQ: | 1 set | 
| Price: | Customzied Quotation list | 
| Payment Terms: | T/T,Western Union | 
| Supply Ability: | 1000000 Units/month | 
| Delivery Time: | 5 days after advance payment | 
| Packaging Details: | 1*20 FCL | 
| Material: | High Speed Steel | 
| Machine Type: | Drilling Tool | 
| Size: | NX ,BX | 
| Package: | 10pcs per box. | 
| Welding Tech: | High Frequency Welding, Laser Welding | 
| Weight: | 1.5 pounds | 
| Color: | Golden | 
| Raw Material: | Diamond, Cobalt Powder | 
| Origin: | China | 
| Shaft Diameter: | 1/4 inch | 
| Company Info. | 
| Jinzhou City Shitan Machinery Equipment CO. LTD. | 
| Verified Supplier | 
| View Contact Details | 
| Product List | 
Designed for high-efficiency and precision drilling in applications such as geological exploration, oil drilling, mining, and construction. With outstanding wear resistance, stable drilling performance, and extended service life, our diamond drill bits have become the preferred choice for customers worldwide.
| Parameter | NX Series (75mm) | BX Series (60mm) | Remarks (SEA Applications) | 
|---|---|---|---|
| Diameter | 75mm (2.95") | 60mm (2.36") | BX suits lighter rigs common in SEA mines | 
| Recommended RPM | 150-350 RPM | 200-450 RPM | Higher RPM for BX in softer formations | 
| Weight | ~4.5kg | ~3.2kg | BX preferred for handheld/portable rigs | 
| Applicable Rock Types | Granite, Basalt, Hard Sandstone | Limestone, Shale, Soft-Medium Sandstone | NX for volcanic areas (Indonesia, PH) | 
| Drilling Depth | Up to 300m+ (deep coring) | Up to 150m (shallow exploration) | BX for coal/iron ore in Vietnam, Myanmar | 
| Bit Life | 80-120m in hard rock | 50-80m in medium rock | Longer life reduces downtime in remote sites | 
| Hydraulic Pressure | 50-80 Bar | 30-60 Bar | Lower pressure for BX saves energy costs | 
 
  
  
  
  
  
 
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