1.Specification:12 1/4'' 311.2mm
2.IADC:114
3.material:high manganese steel
4.WOB:0.27~0.70 KN/mm
5.sealing:rubber rings
Port: Tianjin Port
Minimum Order Quantity: 1 Piece/Pieces drill bits
Supply Ability: 5000 Piece/Pieces per Month 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 7-10 days after the payment received
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
(8)Good feedback from customer
2. Detailed Description Of This Product:
| Size | 12 1/4'' 311.2mm |
| Pin shank size | 6 5/8 reg |
| Bit type | GA114 |
| IADC Code | 114 |
| types of bearing | Rotling beanngs |
| types of sealing | rubber rings |
| Application formation | Very soft with low compressive strength and high drillability, such as soft shale, clay and salt bed, etc. |
| Main characteristics of bit(cutting structure) | Hardfaced gage and all tooth surfaces |
| Normal WOB KN/mm (bit dia.) | 0.27~0.70 |
| Rotary speed (rpm) | 200~80 |
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!
4. You may interested in:
Size | Bit type | |
| in. | mm | |
| 6 | 152.4 | 136, 127 |
| 6 1/2 | 165.1 | 126, 127 |
| 7 1/2 | 190.5 | 126, 136, 216, 227 |
| 8 1/2 | 215.9 | 114, 124, 126, 127 |
| 9 1/2 | 241.3 | 126, 127 |
| 9 5/8 | 244.5 | 127 |
| 9 7/8 | 250.8 | 127 |
| 12 1/4 | 311.1 | 114, 126, 127 |
| 13 5/8 | 346 | 114, 126, 127 |
| 14 3/4 | 374.6 | 124 |
| 15 | 381 | 124 |
| 15 1/2 | 393.7 | 124 |
| 17 1/2 | 444.6 | 114, 117, 124, 126, 216 |
| 22 | 558.8 | 124 |
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