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                      Harvest Tool Company LLC

                      Underreamers, Drill Bits, Section Mills, Casing Cutters, Hole Openers, Projectile Tools

                      Expandable Jet Drill Bit

                      • Circulation used more efficiently to open and jet kerf various rock.
                      • Air, air mist, water or drilling mud circulation may be used.
                      • More efficient rock removal with lower percentage of rock disintegration and straighter hole.
                      • Reduced drill string torque which is easier on drill string.
                      • Reduced hole problems with expandable blades.
                      • Various tipping materials available including:
                        • Tungsten carbide rollers
                        • Tungsten carbide disc cutters
                        • PDC (polycrystalline diamond compact) disc cutters
                        • Hardfacing
                      • Special alloy steel with high hardness and impact strength.
                      • Various closed and open diameters available.
                      • Numerous Expandable Jet Drill Bit sizes available. Please contact us as to closed diameter to open diameter combinations.

                      Main Office

                      1949 Independence Street

                      Lakewood Colorado 80215

                      USA

                      Phone: 303-470-9202

                      E-mail: info@www.xccsw.com.cn

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