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8 1/2 Inches Roller Cutter IADC637 API Standard For Hard Rocks Core Barrel

Product Specification

Operating Parameters

The roller cutters usedĀ 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

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