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Bolt-On Thermocouple with SS Washer Housing

Bolt-On Washer Thermocouple Assemblies


Item# WTK-6-36

Volume discounts available
Volume Discount Schedule
Quantity Price each
1-9 $21.55
10-24 $20.47
25-99 $19.40
100-499 $18.32
500-999 $17.24
1000+ $16.16

In stock

Lead Time (If not in stock): 3 weeks
Bolt-On Washer Thermocouple Assemblies WTK-6-36 WTK-6-36
  • Very Economically Priced
  • J, K, T, and E Thermocouple
  • New Rugged Design
  • For #6, #8, #10 and 1/4' Screw Sizes

WTK-6-36 Model Options

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Edit these specs to order a different model. Not all combinations are valid. Options compatible with previous selections will be in bold.

*Highlighted options are not compatible. Please select a different combination.

Thermocouple Type
Process Temperature Range
Cable Insulation
Termination Connection Type
Cable Length
Additional Features
Mounting Style
Probe Diameter
Minimum Temperature Measurement
Sensor Application
Color Code Standard

A versatile thermocouple assembly that easily mounts to a variety of surfaces. Utilizable for a number of surface temperature measurement applications where fixed mounting is possible.

Model No.
300 mm (12") L
Model No.
600 mm (24") L
Model No.
900 mm (36") L
Model No.
1500 mm (60") L
Washer Hole
Diameter mm (inches)
Nominal Screw Size
WT(*)-6-12 WT(*)-6-24 WT(*)-6-36 WT(*)-6-60 3.68 (0.145) #6 M3.5
WT(*)-8-12 WT(*)-8-24 WT(*)-8-36 WT(*)-8-60 4.32 (0.170) #8 M4
WT(*)-10-12 WT(*)-10-24 WT(*)-10-36 WT(*)-10-60 4.95 (0.195) #10 M4.5
WT(*)-14-12 WT(*)-14-24 WT(*)-14-36 WT(*)-14-60 6.60 (0.260) 1/4 in M6
WT(*)-6-12-TT WT(*)-6-24-TT WT(*)-6-36-TT WT(*)-6-60-TT 3.68 (0.145) #6 M3.5
WT(*)-8-12-TT WT(*)-8-24-TT WT(*)-8-36-TT WT(*)-8-60-TT 4.32 (0.170) #8 M4
WT(*)-10-12-TT WT(*)-10-24-TT WT(*)-10-36-TT WT(*)-10-60-TT 4.95 (0.195) #10 M4.5
WT(*)-14-12-TT WT(*)-14-24-TT WT(*)-14-36-TT WT(*)-14-60-TT 6.60 (0.260) 1/4 in M6
*Specify calibration: J, K, T or E. Stripped leads are standard.

Washer Dimensions
#6 and #8 screw size: 22 L x 6.5 mm W (0.875 x 0.250")
#10 and 14" screw size: 25 L x 9 mm W (1 x 0.360")
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Rated 5 out of 5 by from Thermocouple perfection The parts were exactly what the team was looking for in an assembly process
Date published: 2024-01-08
Rated 5 out of 5 by from Just what we needed These thermocouples were the form factor we needed for our application. They will work great
Date published: 2023-01-24
Rated 5 out of 5 by from just what I needed the part was out of stock but they still came in a timely manner and worked as excepted, will be a repeat customer
Date published: 2022-11-17
Rated 5 out of 5 by from Rock-On for the Bolt-On Washer! The part met our specs precisely and was in great condition and appropriately priced.
Date published: 2022-11-03
Rated 5 out of 5 by from Solid thermocouple So far so good with this thermocouple. One recommendation I do have, double/triple check the connector before ordering. I thought I ordered the right one, but ended up having to order a replacement. Top to Omega, add images of the termination chosen to the spec wizard.
Date published: 2021-01-04
Rated 5 out of 5 by from Technical staff helped me get all the right parts! Just what I was looking for! Great support from your technical staff!
Date published: 2020-08-23
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loading all QA

Are these Made in Canada or USA ?

Asked by: Anonymous
Thank you for your inquiry. They made in the USA.
Answered by: Application Engineer MC
Date published: 2023-10-01

What is the outer diameter of the wire with PFA insulation?

Asked by: JDCT
The overall nominal outer diameter of the PFA lead wire for the WT series is 0.068 x 0.116".
Answered by: ApplicationsEngineeerANB
Date published: 2020-05-10

Does a thermocouple that is designed to be bolted to a surface measure the environment very well? I want to measure the temperature of the air using a similar thermocouple

Asked by: CJames
Thank you for your inquiry C James. You can use a Bolt-On Thermocouple to take air temperature measurements.
Answered by: Application Engineer MC
Date published: 2022-08-25

What is meaning of Minimum Temperature Measurement - 60 in

Asked by: Bobble
The heading is incorrect for the column and should read "Lead wire length" and it will be corrected.
Answered by: ANBENG
Date published: 2020-02-17

Can this be used on a heat press machine for temp sensor

Asked by: Printer
Thank you for your inquiry. Yes it can.
Answered by: Application Engineer CB
Date published: 2023-01-31

Do these parts meet the requirements of RoHS directive 2015/863/EU?

Asked by: blashway
Thank you for your inquiry. These parts are RoHS Compliant.
Answered by: Application Engineer CB
Date published: 2022-06-10

What is the thickness of the washer itself?

Asked by: Brad J
Hi Brad J, the thickness of the washer is 1/16th of an inch.
Answered by: AndrewA
Date published: 2020-08-14

For the standard connector variation, is it a male or female end?

Asked by: stephenbg1
Thank you for your inquiry stephenbg1. This bolt-on thermocouple is available with a standard male or female connector. If you have any other questions, please do not hesitate to contact us directly at 1-800-622-2378, ask for Temperature Engineering or
Answered by: Application Engineer SP
Date published: 2021-06-08
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