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0.260" Bore Diameter Threaded Straight/Stepdown Thermowells

Standard thermowell


Item# 3/4-260S-U21/2-304SS

Volume discounts available
Volume Discount Schedule
Quantity Price each
1-9 C$63.81
10-24 C$60.62
25-99 C$57.43
100-499 C$54.24
500-999 C$51.05
1000+ C$47.86

In stock

Lead Time (If not in stock): 6 weeks
Standard thermowell 3/4-260S-U21/2-304SS 3/4-260S-U21/2-304SS
  • Rugged and Industrial
  • Materials - Brass, Carbon Steel, Stainless Steel and Aluminum
  • Insertion Lengths from 2½ to 22½ Inches
  • Connection Size - 1/2 Inch, 3/4 Inch and 1Inch NPT are standard

3/4-260S-U21/2-304SS Model Options

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External Thread
Shank Diameter
Insertion Length
Shank Style
Pressure Rating
Stem length/Probe Length
Pipe Size
Flange Size
Internal Thread
Bore Diameter
Well Type

Standard length, 1/4" stem, bimetal thermometers #20gage thermocouple elements unarmored liquid-in-glasstest thermometers. Other temperature-sensingelements having .252 in. maximum diameter.

Connection Size:
1/2", 3/4" and 1" NPT are standard. Other thread sizes areavailable 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

Brass (ASTM B-16) Carbon Steel (C-1018) StainlessSteel A.I.S.I. 304 & A.I.S.I. 316 Monel. Wells are alsoavailable in special materials prices on request.

Series 260S—General Use
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Rated 5 out of 5 by from Thermowell Exactly as specified. It is a thermowell and it thermo'ed well.
Date published: 2022-03-10
Rated 5 out of 5 by from Great features to detail !! These wells are high quality , the craftsmanship that were in detail was secound to none.. Ten stars across the board to omegas machinest on the thermowell end !! :)
Date published: 2020-08-11
Rated 5 out of 5 by from Very good Exact fit for our application It was exactly what we needed
Date published: 2023-12-01
Rated 5 out of 5 by from Simply the best Omega is a cut above the rest. Reliable & long lasting products from people who understand customer service.
Date published: 2023-06-22
Rated 5 out of 5 by from Excelent product, Excelent product the only complain is about delivery time
Date published: 2023-06-21
Rated 5 out of 5 by from Never a problem Fully met expectations. Material was clean and ready for installation.
Date published: 2022-04-04
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