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12 Inch Chevron Step Drill Bits For Water Well / Mining / Geothermal Drilling

Categories Water Well Drilling Tools
Brand Name: JCDRILL
Model Number: 12''--305mm
Certification: ISO,CE
Place of Origin: Hebei,China
MOQ: 5pcs
Price: Negotation
Payment Terms: T/T, L/C, D/P, Western Union, MoneyGram
Supply Ability: 20000pcs/Year
Delivery Time: In stock or as order quantity
Packaging Details: Standard export package
Type: Step Drag Bits
Usage: Oil Field, Natural Gas, Mining Drlling, Water Well
Material: Tungsten Carbide
Application: Mining Drlling, Water Well Drilling
Tooth Type: Insert Tooth
Thread: 4-1/2API REG
Package: Carton And Wooden Case
Blades: three wings
PDC Cutter: High Strength Flat PDC
Processing Type: Forging
nspection: SGS,BV
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    12 Inch Chevron Step Drill Bits For Water Well / Mining / Geothermal Drilling

    Drilling drag bit, Chevron step drill bit for clay sand water well drilling 12inch


    Application

    12inch Chevron step drill bit is mainly used for water wells, mining, geothermal, environmental and exploration drilling. It is suitable for drilling in soft and soft-medium formations with fast penetration rate and high efficiency, and special for the large diameter holes’ drilling.

    Types: Ordinary type; Reinforced type; Super strength type.
    Threads: Any female or male threads.

    Characteristics

    All sizes are generally 3 wings and standard design;

    Any size of 4 wings or chevron type is upon customer’s request;

    All sizes connection type are AROD,NROD or standard API thread;

    Any special size and design is upon customer’s request.

    Drag bits diameter:76mm to 445mm;
    Step Drag Drill Bits thread sizes: :2 3/8” API Reg, 3 1/2” API Reg, 4 1/2” API Reg, 6 5/8” API Reg, etc;

    Keywords:clay cutter,drag bits,drag bit,drag bits for water well drilling,step type drag bits,chevron drag bit,step drag bits,chevron drill bits,chevron drag bit,water well drilling bits

    Specification

    No.Bit DiameterBit DesignTypePart No
     inchmmStep / Chevron 
    12 1/2〞64S/CDB212S/DB212C
    22 3/4〞70S/CDB234S/DB234C
    32 15/16〞75S/CDB21516S/DB21516C
    43〞76S/CDB3S/DB3C
    53 1/8〞79S/CDB318S/DB318C
    63 1/4〞83S/CDB314S/DB314C
    73 1/2〞89S/CDB312S/DB312C
    83 5/8〞92S/CDB358S/DB358C
    93 3/4〞95S/CDB334S/DB334C
    103 7/8〞98S/CDB378S/DB378C
    114〞102S/CDB4S/DB4C
    124 1/8〞105S/CDB418S/DB418C
    134 1/4〞108S/CDB414S/DB414C
    144 1/2〞114S/CDB412S/DB412C
    154 5/8〞117S/CDB458S/DB458C
    164 3/4〞121S/CDB434S/DB434C
    174 7/8〞124S/CDB478S/DB478C
    185〞127S/CDB5S/DB5C
    195 1/8〞130S/CDB518S/DB518C
    205 1/4〞133S/CDB514S/DB514C
    215 1/2〞140S/CDB512S/DB512C
    225 5/8〞143S/CDB558S/DB558C
    235 3/4〞146S/CDB534S/DB534C
    245 7/8〞149S/CDB578S/DB578C
    256〞152S/CDB6S/DB6C
    266 1/8〞156SDB618S
    276 1/4〞159SDB614S
    286 1/2〞165SDB612S
    296 5/8〞168SDB658S
    306 3/4〞171SDB634S
    316 7/8〞175SDB678S
    327〞178SDB7S
    337 1/8〞181SDB718S
    347 1/4〞184SDB714S
    357 1/2〞191SDB712S
    367 5/8〞194SDB758S
    377 3/4〞197SDB734S
    387 7/8〞200SDB778S
    398〞203SDB8S
    408 1/8〞206SDB818S
    418 1/4〞210SDB814S
    428 1/2〞216SDB812S
    438 5/8〞219SDB858S
    448 3/4〞222SDB834S
    458 7/8〞225SDB878S
    469〞229SDB9S
    479 1/8〞232SDB918S
    489 1/4〞235SDB914S
    499 1/2〞241SDB912S
    509 5/8〞244SDB958S
    519 3/4〞248SDB934S
    529 7/8〞251SDB978
    5310〞254SDB10S
    5412〞305SDB12S
    5512 1/4〞311SDB1214S
    5615〞381SDB15S
    5717 1/2〞445SDB1712S

    Packing& Delivery ​

    Service

    In our after sales service system, We establish perfect control system strictly according to ISO-9000 series, in this system, technology date and problem solve solution and preventive measures will be provided in any maintain project, all the spare parts will be used in new OEM products with installation instructions, packing list, manufacturer's instruction, qualification and Warranty certificate.


    We provide "one equipment & one case, endless service, namely the after sales service begin from the order confirmation, last for the working life of the equipment.

    Quality 12 Inch Chevron Step Drill Bits For Water Well / Mining / Geothermal Drilling for sale
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