Wholesale API 8 1/2 inches single cone roller bit IADC537G for rock trenchless and piling bucket drilling in the stock from China OEM manufacturer. The roller bit mainly used for Rock reamer(Hole opener) For HDD (Horizontal directional drilling ) Trenchless technology. The application of engineering plate holder makes the construction more convenient and quick. The Roller bit specialized in used for rock reamer and Core barrel. The roller bit has metal sealed bearing and rubber sealed bearing. Full cutter layout (Starry Sky Roller Bit), fast assembly way of bit leg avoid the heating problem of soldering, which extends the lifetime of bearing. Replaceable Cutter rock reamer is designed for a big rig and big hole drilling, fit for all sorts of rock formation. High precision bearing surface heat treatment adopts advanced heat treatment technology to improve the bearing capacity and service life.
Far Eastern are factory specializes in drill bits,such as roller cone bit, tricone roller cone bit, tricone bits,HDD hole opener,Foundation roller cutters for different applications. The application including oil field,natural gas,geological exploration,driectional boring,mining ,water well drilling ,HDD, construction,and foundation. As a leading drill bits factory in China,increase the drill bit working life is our target. We always try to improve the bits with high penetration rates.Our purpose is to sell the high quality with the lowest price.Far eastern drilling quality and technology will help you to achieve more !| Cone Size | 133mm(For 8 1/2" Tri-cone bit) |
| Bearing Type | Elastomer or Metal-face sealed bearing |
| Inserts/Teeth Shape | Conical-ball |
| Inserts/Teeth(Cone 1) | 49*13mm |
| Inserts/Teeth(Cone 2) | 50*13mm |
| Inserts/Teeth(Cone 3) | 45*13mm |
| Cone Material | 15MnNi4Mo |
| Arm Material | 15CrNiMo |
| Grease Lubrication | Available |
| Grease Compensation system | Available |
| Shirttail Protection | Available |
| Insert Shape | Conical |
