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    Steel Casing

    Steel Casing

    N&N Drilling Supply manufactures the largest variety of Grout Casing in the industry and stocks a full line of "W" series casing made of high strength steel tubing.

    N&N Drilling Supply uses top quality 4130 grade material; our in-house engineers have designed field-tested dual and triple lead threads as well as developed several thread designs to meet individual contractor’s needs and industry standards.

    "W" series steel casing offers the extra strength of double butt joints and added ease in cleaning threads. Our casing is flush threaded inside and out and, because of it’s' "W" series design, it does not require the use of coupling. The outside diameter of each size casing will fit the hole drilled by the next larger size core bit and dimensional design also allows one size of casing to fit within the next larger size.

    Standard for quality, N&N Drilling Supply casing meets or exceeds all DCDMA standards for uniform concentricity, size, material and threads and each piece is inspected for tight tolerance by a skilled staff of CNC operators.

    N&N Drilling Supply manufactures a large variety of Flush Joint Casing from top quality 4130 grade material, heat treated ends are available at an additional cost, 1026 and N-80 grade materials are available at reduced pricing and left-hand threading is available at no additional cost.

    Stock Sizes: AW, BW, NW, HW, PW, SW, ZW, BWT, NWT, HWT, PWT, SWT

    Our fully stocked warehouse means orders are shipped immediately which greatly reduce downtime and many of N&N Drilling Supply products, including our casing are in stock and may often ship the same day we receive your order. We also offer a complete line of Drive Heads, Drive Shoes, Diamond/Carbide Casing Shoes and Casing Advancers.

    *Special material and threading options available.

    Casing Types:

    • Flush Joint: - "W" & "WT" Series
    • F-480 Flush Joint
    • Grout Casing
    • Galvanized & Stainless

    Also Available:

    • Drive Shoes
    • Casing Advancers
    • Casing Cutters

     

     

    W FLUSH JOINT CASING
    Size Outer Diameter Inner Diameter Threads Per Inch Weight
    Inches MM Inches MM LB / 10 FT KG / 3 M
    AW 2.2500 57.1 1.9060 48.4 4.0 37 17
    BW 2.7500 69.9 2.3750 60.3 4.0 71 32
    NW 3.5000 88.9 3.0000 76.2 4.0 85 39
    HW 4.5000 114.3 4.0000 101.6 4.0 118 53
    PW 5.5000 139.7 5.0000 127.0 3.0 144 72
    SW 6.6250 168.2 6.0000 152.4 3.0 201 90
    ZW 8.6250 219.1 8.0000 203.2 2.0 280 127
    *Material: 4130            
    WT FLUSH JOINT CASING
    Size Outer Diameter Inner Diameter Threads Per Inch Weight
    Inches MM Inches MM LB / 10 FT KG / 3 M
    BWT 2.7500 69.9 2.3750 60.3 2.5 71 32
    NWT 3.5000 88.9 3.0000 76.2 2.5 85 39
    HWT 4.5000 144.3 4.0000 101.6 2.5 118 53
    PWT 5.5000 139.7 5.0000 127.0 2.5 144 72
    SWT 6.6250 168.2 6.0000 152.4 2.5 201 72
    *Material: 4130            

     

    Steel Casing

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