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Hejian Perfect Drilling Equipment Co., Ltd.
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| Price: | 500.0~1000.0 USD |
| Payment Terms: | T/T |
| Place of Origin: | Hebei, China (Mainland) |
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Kingdream 81/2" tungsten carbide tricone rock drill bit | |
Brand | Kingdream/CS/Lilin |
IADC Code | Covering all codes |
Certification | API &ISO |
Size Scale | From 3 3/4" to 26" |
Application | water well,oil field, construction,geothermal, directionalboring,and underground foundation work |
medium hard, hard formation | |
Sealed type | Rubber & Metal Sealed |
Cutter Shape | Incisor, DogBone , Ace, Chisel, Conical |
Drilling Life | Standard 90 hours at least |
"More Hole For YourMoney"-----Long working life and high reliablelity! | |
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.
57/8 | 6 | 61/8 | 61/4 | 77/8 | 83/8 | 81/2 | 83/4 | 91/2 | 95/8 | 93/4 | 97/8 | 121/4 | 133/4 | |
Metric(mm) | 149.2 | 152.4 | 155.6 | 158.7 | 200 | 212.7 | 215.9 | 222.2 | 241.3 | 244.5 | 247.3 | 250.8 | 311.1 | 349.2 |
BitType (IADC) | 437 | 437 | 437 | 437 | 447 | 417 | 417 | 417 | 417 | 417 | 417 | 417 | 417 | 417 |
517 | 517 | 517 | 517 | 517 | 437 | 437 | 437 | 437 | 437 | 437 | 437 | 437 | 437 | |
537 | 537 | 537 | 517 | 517 | 517 | 517 | 517 | 517 | 517 | 517 | 517 | |||
617 | 617 | 547 | 537 | 537 | 537 | 537 | 537 | 537 | 537 | 537 | ||||
637 | 637 | 617 | 617 | 617 | 617 | |||||||||
637 | 637 | 637 | ||||||||||||
APIRegular Pin (in) | 3 1/2 | 4 1/2 | 6 5/8 | |||||||||||
Recommendedmake-up torque for bit shank (KN.m) | 9.50-12.2 | 16.30-21.70 | 37.93-43.30 | |||||||||||
1>Cutting Structure
The durability of premium tungsten carbide insert is improved with new formulas and new techniques for insert bit.
2>Gauge Structure
Multiple gauge protection with gauge trimmers on the heel of cone, tungsten carbide inserts and hardfacing on the shirttail increases gauge holding capability and bearing life.
3>Bearing Structure
High precision bearing with two thrust faces. Ball lock the cone. Hardfaced head bearing surface. Cone bearing inlaid with friction-reducing alloy and then silver-plated. Abrasion resistance and seizure resistance of the bearing are improved.
4>Seal and Lubrication
Premium O-ring, Optimal seal compression and curved seal structure can enhance the seal performance. The pressure compensator system and advanced grease can greatly increase the lubricating reliability.
Hejian Perfect Drilling Equipment Co., Ltd. [China (Mainland)]
Business Type:Manufacturer, Trading Company, Distributor/Wholesaler
City: Cangzhou
Province/State: Hebei
Country/Region: China (Mainland)
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