Showing all 4 results

  • 7 7/8″ CHV537Y

     

    Specifications

    Size: 7 7/8″ (200 mm)
    IADC: 537
    Bearing & Seal: Journal Bearing / Composite seal
    Number of Rows: 4-4-3
    Inner Row: Conical / 64 pcs
    Gauge Row: Wedge / 39 pcs
    Bevel Row: Flat / 39 pcs
    Bit Weight: 9.5
    Weight on Bit: 0.13~0.35
    ROP: 60~160

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  • 7 7/8″ CHV637YT

     

    Specifications

    Size: 7 7/8″ (200 mm)
    IADC: 637
    Bearing & Seal: Journal Bearing / Composite seal
    Number of Rows: 5-5-4
    Inner Row: Ovoid / 110 pcs
    Gauge Row: Ovoid / 44 pcs
    Trimming Row: Wedge / 24 pcs
    Bevel Row: Flat / 44 pcs
    Bit Weight: 9.5
    Weight on Bit: 0.2~0.37
    ROP: 60~130

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  • 9 7/8″ CHV537LX

     

    Specifications

    Size: 9 7/8″ (250.8 mm)
    IADC: 537
    Bearing & Seal: Journal Bearing / Composite seal
    Number of Rows: 4-4-3
    Inner Row: Wedge / 74 pcs
    Gauge Row: Wedge / 43 pcs
    Bevel Row: Ovoid / 86 pcs
    Bit Weight: 18.5
    Weight on Bit: 0.13~0.35
    ROP: 60~160

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  • 9 7/8″ CHV637LY

     

    Specifications

    Size: 9 7/8″ (250.8 mm)
    IADC: 637
    Bearing & Seal: Journal Bearing / Composite seal
    Number of Rows: 5-5-5
    Inner Row: Conical / 122 pcs
    Gauge Row: Ovoid / 55 pcs
    Bevel Row: Ovoid / 110 pcs
    Bit Weight: 18.5
    Weight on Bit: 0.2~0.37
    ROP: 60~130

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