Home > Products > Milled Tooth Bit > 7 1/2" Milled Tooth Tricone Rock Bit
7 1/2" Milled Tooth Tricone Rock Bit
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Product Details
| Place of Origin | Hebei, China | Brand Name | SRF&Kingdream | |
| Model Number | HA | Type | Drill Bit | |
| Machine Type | Drilling Equipment | Certification | Other, ISO | |
| Material | Carbon Steel | Processing Type | Casting | |
| Use | Well Drilling |
Product Description
7 1/2" Milled tooth tricone rock bit
IADC | WOB (KN/mm) | RPM (r/min) | Applicable Formations |
114/116/117 | 0.3~0.75 | 180~60 | Very soft formations with low compressive strength and high drillability, such as clay, mudstone, chalk, etc. |
124/126/127 | 0.3~0.85 | 180~60 | Soft formations with low compressive strength and high drillability, such as mudstone, gypsum, salt, soft limestone, etc. |
134/135/136/137 | 0.3~0.95 | 150~60 | Soft to medium formations with low compressive strength and high drillability, such as medium soft shale, hard gypsum, medium soft limestone, medium soft sandstone, soft formation with harder interbed, etc. |
214/215/216/217 | 0.35~0.95 | 150~60 | Medium formations with high compress strength, such as medium soft shale, hard gypsum , medium soft limestone, medium soft sandstone, soft formation with harder interbed, etc. |
227 | 0.35~0.95 | 150~50 | Medium hard formations with high compressive strength, such as abrasive shale, limestone, sandstone, dolomite, hard gypsum, marble,etc |
Note: The upper limits of WOB and RPM in above table should not be used simultaneously.
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| Model | Steel tooth bit / TCI Tricone drill bit Steel tooth bit |
| IADC Code | From 115 to 837 |
| Available size | From 2 7/8" to 26" |
| Advantage | Most favorable price and best quality |
| Bearing type | Sealed and non-sealed bearing |
| Use | Water well ,oil well and mining drilling,underground exploration |
| Material | Tungsten carbid |
| Packing | Fumigation free wooden case |
| Delivery time | 3-7 days |
| Delivery terms | By sea or by air |
| Formation | Soft formation to hard formation |
| Payment term | T/T ,L/C |
| Market | USA,Middle east,Canada,Africa,etc. |
| TCI tricone bit |
Recommended operating parameters
WOB 90 ~ 280(KN)
Ideal WOB range 150~220(KN)
Rotary speed 80 ~ 300 (rpm)
Ideal Rotary speed range 110~250(rpm)
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Products Details
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Tricone drill bit Advantage:
1.High-strength, high flexibility, high temperature and high wear resistance.
2. High-precision metal seal. rock tricone bit
3. Locking roller ball, to adapt to high-speed.
4. The use of high strength high toughness carbide teeth, 5. Hours in the rotary cone bit with the impact, crushing and shearing the role of broken rock.
6. Cone bit to adapt to the soft, medium and hard of various strata.
7. Reasonable price and long working life.
Packing and shipping Details
Drill Bit Nozzles
(Nozzles will be installed on bits as customers request )
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Contact Us
- Hejian Zhongcheng Drill Bit Manufacture Co., Ltd.
- Contact nameLeia Sun Chat Now
- Phone0086-317-3223932
- AddressFuyingmen6,Beihuan road, Cangzhou, Hebei
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