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Brand Name : Yaheng
Model Number : NQ
Place of Origin : China
MOQ : 1
Price : us dollar 60~380 per piece
Payment Terms : L/C, D/P, T/T, Western Union
Supply Ability : 3000 piece per month
Packaging Details : Air or Sea packing standard
Standard : Longyear standard
Material : high quality diamond material
Available Size : BQ NQ HQ PQ
application : Geological Prospecting
Available Size: NQ
application: Stone
Brand Name: yaheng
feature: High drill speed
 ISO9001:9002 certificated 
 10years manufacturing experience 
 Super antiwear characteristic 
 Super long lifetime 
 Solid quality
Description:
Brief Introduction of B-Series Diamond Core Bits
The B-Series diamond bits are cutting tools .They are widely be used for wire-line core drilling. They contain diamond segments bonded to a base material.
The Bits could be impregnated, they are single tube core drill bits.
They are widely applied in cutting non-ferrous materials.
Yaheng’s bits are using high quality diamond materials and also based on Yaheng’s exquisite technology.
Features:
 1. Wide hardness range. Yaheng could produce the bit hardness from 5 to 55°
2.  High drill speed.
3. Longer service life.
4. Competitive prices.
5. 15 years experience in manufacturing diamond core bits.
6. High Penetration Rate   
7. High Rotation Speed   
8. High Performance    
9. Long life drilling    
10. High strong resistance to abrasion
Features :
1
"Q" series:AQ,BQ,NQ,HQ,PQ/NQ2,HQ2,PQ2/NQ3/HQ3/PQ3
Advantages:
1. Fast cutting and drilling speed
2. Long life, stable performance
3. Low power consumption
4. Professional OEM, superior grade quality, more than 5years manufacturing experience
5. CE: ISO: 9001: 2000
| Item No | OD OF THE BIT | ID OF THE BIT | Reaming Shell | |
| mm | mm | mm | ||
| AQ | 47.5~47.75 | 26.85~27.1 | AQ | 47.88~48.13 | 
| BQ | 59.44~59.69 | 36.27~36.52 | BQ | 59.82~60.07 | 
| NQ | 75.19~75.44 | 47.5~47.75 | NQ | 75.57~75.82 | 
| HQ | 95.38~95.76 | 63.38~63.63 | HQ | 95.85~96.27 | 
| PQ | 121.8~122.3 | 84.84~85.09 | PQ | 122.43~122.81 | 
|   | 
| Diamond Drill Bits Surface Set NQ Wireline Core Drilling Bits For Mining Exploration Images | 
 Cutting Non Ferrous Materials Concrete Core Drill Bit With Wide Hardness Range
                                                                                    
                        
                        
                        
                                                            Cutting Non Ferrous Materials Concrete Core Drill Bit With Wide Hardness Range
                                                    
                        
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                                                            1 - 12 Hardness HQ Diamond Drill Bit / Nq Core Diameter With Reaming Shell
                                                    
                        
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                                                            High drill speed B76 Diamond Core Bit , OD 75.87~76.12mm