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Polygonal Small Pitch Thread 4m Water Well Drill Pipe

    Buy cheap Polygonal Small Pitch Thread 4m Water Well Drill Pipe from wholesalers
     
    Buy cheap Polygonal Small Pitch Thread 4m Water Well Drill Pipe from wholesalers
    • Buy cheap Polygonal Small Pitch Thread 4m Water Well Drill Pipe from wholesalers
    • Buy cheap Polygonal Small Pitch Thread 4m Water Well Drill Pipe from wholesalers

    Polygonal Small Pitch Thread 4m Water Well Drill Pipe

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    Brand Name : SHITAN
    Model Number : ST
    Certification : ISO9001
    Payment Terms : L/C, T/T
    Delivery Time : 15 working days
    • Product Details
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    Polygonal Small Pitch Thread 4m Water Well Drill Pipe

    Polygonal Kelly Drill Rod Pipe with Taper Small Pitch Thread for Mining And Well Drilling Rig Machine


    Brief Introduction


    The Kelly Drill Rod is made of alloy steel, and the two ends are specially heat-treated to be processed into a taper small pitch thread. The shape is a regular polygon according to the drill rig's spindle, and the torque of the drill rig is passed through the drill string and finally transmitted to the drill bit at the bottom. It has the characteristics of high cost efficiency, good wear resistance and long service life.


    Drill rod Parameters


    Kelly Parameters
    SPECCross Section ShapeLength Overall (m)Pipe Body ID (mm)Arc Slot Size (mm)Top Thread(LH)Bottom ThreadSurface Hardening
    Thread Pitch (Number of Thread per Inch) (mm)TaperLength (mm)Thread Pitch (Number of Thread per Inch) (mm)TaperLength (mm)
    Φ45×38×Φ25Flat Square425R6.56.35(4)432.54(10)1:1650HRC45-52
    Φ51×46×Φ25Hexagon625R76.35(4)452.54(10)1:1650HRC45-52
    Φ59×53×Φ28Hexagon4.528R7.752.54(10)1:16552.54(10)1:1655HRC45-52
    Φ59×53×Φ28Hexagon4.828R74.233(6)1:5502.54(10)1:1655HRC45-52
    Φ59×53×Φ28Hexagon6282.54(10)1:16552.54(10)1:1655HRC45-52
    Φ65×55×Φ28Flat Square7282.54(10)1:16552.54(10)1:1655HRC45-52
    Φ89×75×Φ45Flat Square7453.175(8)1:16603.175(8)1:1660HRC40-45
    Φ89×79×Φ37Hexagon5.537R124.233(6)1:5502.54(10)1:1665HRC40-45
    Φ89×79×Φ45Hexagon64510851085HRC40-45
    Φ89×79×Φ45Hexagon7453.175(8)1:16603.175(8)1:1660HRC40-45
    Φ89×79×Φ45Hexagon9453.175(8)1:16603.175(8)1:1660HRC40-45
    1. The bottom thread parts quenching and tempering treatment.
    2. We can apply designated connection and length as per customers' requirement.

    1) How do you take care when your clients received defective products?


    A: replacement. If there are some defective items, we usually credit to our customer or replace in next shipment.


    2)How do you check all the goods in the production line?


    A: We have spot inspection and finished product inspection. We check the goods when they go into next step production procedure.

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