
Stainless stepped thermowells with hex fittings – the step puts the sensing tip at reduced mass for faster response while the hex fitting carries installation torque. Response time and mechanical strength rarely coexist; the step is how they do.
Function and Design
The stepped thermowell is judged by the dimension nobody checks until a failure – fit, seal or concentricity. The stepped thermowell is checked against the drawing at each stage, not only at final inspection.
Key Features
- The stepped thermowell is small in the bill of materials and large in the warranty claim when it goes wrong. The stepped thermowell is checked against the drawing at each stage, not only at final inspection.
- Flats are held to size and checked, so wrench engagement is full and torque is not lost.
- Washdown, humidity and process media are met by stainless, not by a coating.
- Material: Stock stainless steel (304 / 316) is the default for this stepped thermowell; other grades are quoted after the drawing review.
- Process: the stepped thermowell combines deep drawing with light machining so seats stay concentric, stepped diameters held across operations.
- Finish: For the stepped thermowell, surface is natural as standard; zinc, nickel, chrome and e-coat are quoted to the print.
- Size: Dimensions of the stepped thermowell follow the customer print; specials are quoted from the drawing.
- Custom: OEM/ODM stepped thermowell work – first articles verified before production starts.
Applications
Production volumes of this part run in NTC and PT100 probe assemblies, industrial process instrumentation, household appliance thermometers.
Our Production Advantage
Drawn shells are stress-relieved before critical faces are machined. First articles are dimension-checked and pressure-tested, and production is sampled against the approved part.
Email the stepped thermowell drawing or a photo of the sample; pricing and lead time follow.
