1.Specification:9 7/8'' 250.8mm
2.IADC:417
3.material:tungsten carbide
4.WOB:0.35~0.90 KN/mm
5.sealing:rubber or metal ring
Port: Tianjin Port
Minimum Order Quantity: 1 Piece/Pieces center drill bits
Supply Ability: 5000 Piece/Pieces per Month center drill bits
Payment Terms: L/C,T/T,Western Union
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Packaging Detail: carton, wooden box, steel box, or as your requirements
Delivery Detail: within 7 days
1. Advantages of our products:
(1) Strong resistance to abrasion and impact resistance.
(2) Cutter's quality performance is good ,
(3) long work life
(4) stocks adequate, time delivery
(5) rich experience in drill bit
(6) good after-sales service
(7) High quality, competitive price
2. Detailed Description Of This Product:
| Size | 9 7/8'' 250.8mm |
| Pin shank size | 6 5/8 |
| Bit type | HJ417 |
| IADC Code | 417 |
| types of bearing | jounmal beanngs |
| types of sealing | metal ringside or rubber rings |
| Application formation | Long section of soft formation woth low compressive strength and high drillability, such as shale, clay, sandstone and conglomerate, etc. |
| Main characteristics of bit(cutting structure) | Large radius offset crested scoop compacts in inner row, wedge compacts in outer row, high compact exposure and inequable spaced compacts arrangement |
| Normal WOB KN/mm (bit dia.) | 0.35~0.90 |
| Rotary speed (rpm) | 280~70 |
3. About our company:
We can supply TCI Tricone Bit, Steel Tooth Rock Bits, Tricone Drill Bits, PDC Bits, Single
Cone bits and so on.
We has more than 15 years of sales experience in domestic and foreign trade. At present,
our products are widely exported to USA, European, Saudi Arabia, Egypt, Malaysia,
Korea and other regions
Welcome to contact us, we are at your service at any time!
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