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8 1/2 inches Foundation drilling Rock drill bits Roller cone bit

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Product Introduction

Single cone - BY-805 1. Applicable strata 90-120 MPa, medium to slightly weathered granite, tuff, limestone, dolomite, sandstone, etc. Pressure bearing strata, geologically homogeneous, strong, medium, and low abrasive strata. 2. Product features ● Bearing type: sliding bearing with steel ball locking Sealing: O-ring rubber seal Cutting Structure: Conical Teeth ● Gear arrangement: Seven rows/54 pieces Palm tip and palm back protection: wear-resistant welding+embedded teeth

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