7-1/8” S63B
1Pages

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Catalog excerpts

FEATURES Specialized cutting structure with conical TC inserts. DRILLING APPLICATIONS Designed to drill medium-hard and abrasive formations, compressive strength of which doesn't exceed 170 MPa (24700 psi). These include abrasive limestone, sandstone, marble, quartz monzonite, dolomite. DESIGN SPECIFICATIONS Bearing Type Bearing Seal Type Cutting Structure Optimized roller-ball-roller bearing type with thrust button. Wear resistant tungsten carbide hardfacing on shirttail and leg. Gauge: 40 Tungsten carbide inserts on the leg back protection. OPERATING PARAMETERS Weight on Bit* Rotary Speed* - Actual drilling parameters must be determined for specific applications. Copyright © 2017 VALCO. All Rights Reserved. Center flushing. Note: Due to continuous improvement of VALCO products, the design is subject to change without prior notice.

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