NEW ROLLER CONE BIT SERIES New DuraTech Series roller cone bits promises to deliver ultimate rates of penetration with reformulated hard metal protection that provides life-enhancing durability in the most demanding environments. The steel-tooth bits, available in sizes of 33⁄4-133⁄4 in., are built to withstand the added stress operators apply to bits when additional weight and greater revolutions per minute are necessary. The series is designed to provide: • Added durability in abrasive environments. • Increased penetration rate. • Directional responsiveness. • A solution for sticky shale drilling. Source: Varel International, 15800 International Plaza Drive, Suite 150, Houston, TX 7703...

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