1.Size:12 1/4'' 311.2mm
2.use:well drilling
3.material:tungsten carbide
4.Rotary speed:180~60 rpm
5.Rubber or Metal rings
Port: Tianjin Port
Minimum Order Quantity: 1 Piece/Pieces tungsten carbide insert bits
Supply Ability: 5000 Piece/Pieces per Month tungsten carbide insert bits
Payment Terms: L/C,T/T,Western Union
Contact Supplier
Packaging Detail: carton, wooden box, steel box, or as your requirements
Delivery Detail: within 7 days
12 1/4'' TCI tungsten carbide insert bits
1. Detailed Description Of This Product:
| Size | 12 1/4'' 311.2mm |
| Pin shank size | 6 5/8 |
| Bit type | FA447G |
| IADC Code | 447 |
| Application formation | Soft with row compressive strength and high drillability, such as shale, clay, sandstone, soft limestone, etc. |
| Main characteristics of bit(cutting structure) | Conical compacts in inner row, wedge compacts in outer row |
| Normal WOB KN/mm (bit dia.) | 0.45~1.05 |
| Rotary speed (rpm) | 180~60 |
| Payment terms | L/C, T/T, Western Union |
| MOQ | 1 Piece |
| Delivery time | within 7 days |
| Packing | carton, wooden box , steel box or as your requirements |
2. 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
3. product structures
| Model | TCI BIT, STEEL TOOTH BIT |
| IADC CODE | 116 117 12 6127 136 137 216 217 226 226 316 317 326 327 336 337 115 125 135 215 225 235 315 325 335 114 124 214 314 111 121 131 346 347 |
| 417 427 437 517 527 537 617 627 637 737 837 832 415 425 435 445 525 625 635 416 427 436 446 447 516 526 537 547 516 536 535 | |
| available sizes: | From 2 7/8 to 26” larger sizes for hole opener bit ,reamer bit |
| advantage | most favourable price and best qualtity |
| bearing type: | sealed bearing and non-sealed bearing HJ(metal sealed journal bearing) HA (rubber sealed journal bearing aircooled bearing type |
| Formation or layer | soft ,medium soft ,hard,medium hard,very hard formation |
| Button size (extra features) | Button bit,saw teeth 1) Y-Conical teeth 2) X-chisel teeth 3)K- wide teeth 4)G- Gague protection |
| Material | Alloy steel ,carbide |
4. Do you want to learn more about our produtcts?
5. Do you wanna know how to ship the bits to your country?
6. How to get product information and offers ?
Pls feel free to contact Miss Li ( send email ,add msn or skype
or give me a call) .
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