STS Industrial - Bolts & Screws

 

PIPE THREAD DIE NUTS

Dies for NPT taper pipe thread are available in both hex and adjustable split type die nuts.  For best results and longest tool life, always use with cutting fluid.

 

  • NPT ADJUSTABLE SPLIT DIE NUTS:

    A die handle (or die stock) is needed for proper operation.

    Round Adjustable Die Nuts

    SIZE

    THREAD

    AVAILABLE OUTER DIAMETERS

    1/16 24 1
    1/8 27 1 1 1/2
    1/4 18 1 1/2 2
    3/8 18 2
    1/2 14 2
    3/4 14 2
    1 11 1/2 2 1/2
    1 1/4 11 1/2 3
    1 1/2 11 1/2 3
    2 11 1/2 3

    All dimensions are in inches.

  • NPT HEX RETHREAD DIE NUTS:

    NPT rethread die nuts are designed to clan or repair damaged threads. They are not intended for cutting new threads.

    Hexagon Rethread Die Nuts

    SIZE

    THREAD

    WIDTH ACROSS FLATS

    1/8 27 25/32
    1/4 18 1 1/16
    3/8 18 1 1/4
    1/2 14 1 5/8
    3/4 14 1 13/16
    1 11 1/2 2 3/16
    1 1/4 11 1/2 3 1/8
    1 1/2 11 1/2 3 1/8
    2 11 1/2 4

    All dimensions are in inches.

    AVAILABLE SIZES:

    SIZE

    THREAD

    AVAILABLE OUTER DIAMETERS

    1 0.25 13/16
    1.6 0.35 13/16
    2 0.40 13/16 1
    2.2 0.45 1
    2.3 0.40 1
    2.5 0.45 13/16 1
    2.6 0.45 1
    3 0.50 1
    3.5 0.50 1
    3.5 0.60 1
    4 0.50 13/16 1
    4 0.70 13/16 1
    4.5 0.50 1
    4.5 0.75 1
    5 0.50 1
    5 0.80 13/16 1
    5 1.00 1
    6 0.50 1
    6 0.75 1
    6 1.00 1
    7 0.75 1
    7 1.00 1
    8 0.75 1
    8 1.00 1
    8 1.25 1
    9 1.00 1 1/2
    9 1.25 1 1 1/2
    10 0.75 1 1 1/2
    10 1.00 1 1 1/2
    10 1.25 1 1 1/2
    10 1.50 1 1 1/2
    11 1.00 1 1/2
    11 1.50 1 1 1/2
    12 1.00 1 1 1/2
    12 1.25 1 1/2
    12 1.50 1 1/2
    12 1.75 1 1/2
    14 1.00 1 1/2
    14 1.25 1 1/2
    14 1.50 1 1/2
    14 2.00 1 1/2
    15 1.50 1 1/2
    16 1.00 1 1/2
    16 1.50 1 1/2
    16 2.00 1 1/2
    17 1.50 1 1/2
    18 1.00 1 1/2
    18 1.50 1 1/2
    18 2.00 1 1/2
    18 2.50 1 1/2 2
    20 1.00 1 1/2 2
    20 1.50 1 1/2 2
    20 2.00 2
    20 2.50 2
    22 1.00 2
    22 1.50 2
    22 2.00 2
    22 2.50 2
    24 1.50 2
    24 2.00 2
    24 3.00 2
    26 1.50 2
    27 2.00 2
    27 3.00 2
    28 1.50 2
    30 1.50 2
    30 2.00 2
    33 2.00 2 1/2
    39 3.50 2
    45 4.50 3

    Thread diameter and pitch are in millimeters. Other dimensions are in inches.

Sources: Drillco Cutting Tools Product Catalog 2013, Champion Cutting Tools 2011 Product Catalog, Norseman/CTD Product Catalog 2013 Note: All material included on this page is informational only, and should not be used as one’s sole source for design purposes. STS Industrial, Inc. and its affiliates do not guarantee the accuracy of the information on this site, and retain no liability for the use or misuse of the information contained on this site.