| Condition: | New |
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| CNC or Not: | Normal |
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| Place of Origin: | China (Mainland) |
| Brand Name: | Great |
| Model Number: | any model |
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| Dimension(L*W*H): | |
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Quick Details
Specifications
Using high strength and high toughness cemented carbide gear, improve the ability of teeth and wear resistance; Bending High precision bearing surface after proper heat treatment, improve the bearing the bearing capacity and service life; Thrust bearing using high hardness and high wear resistance materials, further improve the bearing life.
Use: This product is used for air drilling, such as open coal mine, iron ore, the development of the nonferrous metallic deposits.
Application: This product is used for low compressive strength, high drillability of soft formation, such as: Shale, soft limestone, soft sandstone, gravel clay, soft dolostone, salt, coal, etc.
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Product parameter |
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IADC Code |
K412 |
Cutting structure |
Within the top row row miscalculates and cone ball had the tooth: row: cone ball had tooth back cone: flat teeth |
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Diameter |
10 5/8 inch (270mm) |
Connecting thread : |
6 5/8''REG(API) |
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Bearing form |
roller ball- -thrust block of roller |
weight |
74kg |
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Drilling pressure |
30000-50000Ibs |
Speed |
120-60 RPM |
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