8 1/2 Inches Roller Cutter IADC637 API Standard For Hard Rocks Core Barrel
Product Specification
Operating Parameters
The roller cutters used for hard formations with high compressive strength, such as sandstone, hard shale, dolomite, hard gypsum, chert, granite, etc.
| Cone Size | 133mm |
| Bearing Type | Sealed Journal 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 Compensation System | Available |
| Gauge Protection | Available |
| Shirttail Protection | Available |
