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    0.260" Bore Diameter Threaded Heavy Duty Thermowells

    Threaded thermowells have a bore diameter of 0.260" with a tapered shank. Ideal for 1/4 inch diameter elements. Click here to shop more.
    $85.25
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    Data Sheet (PDF)

    0.260" Bore Diameter Threaded Heavy Duty Thermowells
    Application:
    Standard length, 1/4' bimetal thermometers. #20 gage thermocouple elements. Unarmored liquid-in-glass test thermometers. Other temperature-sensing elements having .252 in. maximum diameter.

    Connection Size:
    3/4' NPT and 1' NPT are standard. Other thread sizes are available upon request.

    Protective Coatings for Thermowells:
    • Resist Corrosion
    • For Chemical Baths
    • Color-Coded Sensors for Process Control
    • Available in PFA, Epoxy and other materials Consult Sales Department for complete information

    Materials:
    Brass (ASTM B-16), Carbon Steel (C-1018), Stainless Steel A.I.S.I. 304 & A.I.S.I. 316, Monel. Wells are also available in special materials; prices on request.

    Cap and Chain Options:
    For Brass cap, add $4 to price and add suffix “-CC (Brass)” to the end of the model number on your order. For 304 SS cap, add $7 to the price and add suffix “-CC (304SS)” to the end of the model number.

    Series 260H—General Use
    All dimensions in inches.

    * NPSM internal pipe thread will accept both NPT and NPS male threads.

    Ext. Th'd P Model No. Elem. Lgth.
    A    		 Insert. Lgth.
    U    		 Shank Dia.
    Q
    3/4' NPT 3/4-260H-U 2 1/2
            -U 4 1/2
            -U 7 1/2
            -U10 1/2
            -U13 1/2
            -U16 1/2
            -U22 1/2    		 4
    6
    9
    12
    15
    18
    24    		 2 1/2
    4 1/2
    7 1/2
    10 1/2
    13 1/2
    16 1/2
    22 1/2    		 7/8
    7/8
    7/8
    7/8
    7/8
    7/8
    7/8
    1' NPT 1-260H-U 2 1/2
          -U 4 1/2
          -U 7 1/2
          -U10 1/2
          -U13 1/2
          -U16 1/2
          -U22 1/2    		 4
    6
    9
    12
    15
    18
    24    		 2 1/2
    4 1/2
    7 1/2
    10 1/2
    13 1/2
    16 1/2
    22 1/2    		 1 1/16
    1 1/16
    1 1/16
    1 1/16
    1 1/16
    1 1/16
    1 1/16


    Pressure-Temperature rating–lb per sq. inch
    Material Temperature — °F
    70° 200° 400° 600° 800° 1000° 1200°
    Brass 5300 4750 1100 – – – –
    Carbon Steel 5950 5750 5450 5250 4000 1750 –
    A.I.S.I. 304 7800 7050 6400 6150 6000 5190 1875
    A.I.S.I. 316 7800 7800 7250 7100 6950 5800 2720
    Monel 7450 6850 6150 6100 5940 1750 –