Dongying Safe Petroleum Technology Co,.Ltd
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FGA/GATSeries
Rubber(O-Ring) Sealed Roller Bearing Bit
FGA/GAT Series Tricone Bit Diameter from 3 7/8-36 inch,IADC Code from 115 to 535.
Cutting Structure
Enhancing the wear-resistance of cutting tooth by welding new type of wear-resistant material on the tooth surface of steel tooth bit. Reinforcing the comprehensive mechanical properties of cutting tooth by using high quality tungsten carbide inserts of new formula and new techniques of insert bit.
Gauge Structure
The multiple heel position with gauge trimmer on the heel, tungsten carbide and hardfacing on the shirttail, strengthened spear point will enhance the gauge protection.
Bearing Structure
High precision roller bearing with two thrust faces. Ball locked cone. Thrust faces hardfaced with friction reducing alloy. Abrasion resistance and seizure resistance of the bearing are improved.
Seal and Lubrication
The bearing seal is adapting the high quality HNBR O-ring. The best seal compression and the radial seal structure can enhance the seal performance. The compensation system adopts the high quality bit grease and greatly increases the lubricating reliability.
Product Predominance
It is for various formation drilling. It can realize high rotating speed under low to medium WOB application.
| Bit Size | Bit Type | |
| inch | mm | |
| 8 1/2 | 215.9 | FGJ115C,FGJT115C,FGJ125C,FGJ135G,FGJT415,FGJT435G,FGJT445G,FGJ535G |
| 9 1/2 | 241.3 | FGJ115C,FGJT115C,FGJ125C,FGJ135G,FGJT415,FGJT435G,FGJT445G,FGJ535G |
| 12 1/4 | 311.2 | FGJ115C,FGJT115C,FGJ125C,FGJ135G,FGJT415,FGJT435G,FGJT445G |
| 13 1/2 | 342.9 | FGJ115C,FGJT115C,FGJT125G,FGJT125GC |
| 14 3/4 | 374.6 | FGJ115C, FGJT125G,FGJT125GC,FGJT415,FGJT435G,FGJT445G,FGJ535G |
| 16 | 406.4 | FGJ115C,FGJT115C,FGJT125G,FGJT125GC,FGJT415,FGJT435G,FGJT445G,FGJ535G |
| 17 1/2 | 444.5 | FGJ115C,FGJT115C,FGJT125G,FGJT125GC,FGJT415,FGJT435G,FGJT445G,FGJ535G |
