Threaded Bolt Thermocouples
(Series TF1)
Ordering Information
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Part No.:
select options
Start Here
| 1 Series |
2 Calibration |
3 Thread Size |
4 Insertion Length |
5 Junction |
6 Lead Wire Material |
7 Lead Wire Length |
8 Termination Style |
9 Special Features |
|---|---|---|---|---|---|---|---|---|
| TF1 |
| 2 | Calibration |
|---|---|
| J | Type J |
| K | Type K |
| T | Type T |
| E | Type E |
| 3 | Thread Size |
|---|---|
| A | 1/4-28 (standard) |
| B | 1/4-20 |
| C | 10-32 (Grounded only) |
| D | 8-32 (Grounded only) |
| E | M5 x 0.8 pitch |
| F | M6 x 1 pitch |
| G | M8 x 1 pitch |
| H | M8 x 1.25 pitch |
| J | M10 x 1 pitch |
| K | M10 x 1.25 pitch |
| P | M10 x 1.5 pitch |
| R | M12 x 1.25 pitch |
| S | M12 x 1.5 pitch |
| W | M12 x 1.75 pitch |
| X | 1/2-20 |
| 4 | Insertion Length |
|---|---|
| T | 3/8" |
| W | 1/2" (standard) |
| X | 5/8" |
| Y | 3/4" |
| P | 7/8" |
| Z | 1" |
| Q | 1-1/8" |
| 5 | Junction |
|---|---|
| G | 
Grounded (standard) |
| U | 
Ungrounded |
| 6 | Lead Wire Material |
|---|---|
| A | 
Fiberglass (800°F) |
| B | 
Fluoropolymer (400°F) |
| C | 
Polyimide (500°F) |
| E | 
High temperature fiberglass (1200°F) |
| F | 
Fiberglass with stainless steel braid (800°F) (standard) |
| G | 
Fluoropolymer with stainless steel braid (400°F) |
| H | 
Fiberglass with armor cable (800°F) (standard) |
| J | 
Fluoropolymer with armor cable (400°F) |
| K | 
Polyimide with armor cable (500°F) |
| L | 
High temperature fiberglass with armor cable (1200°F) |
| M | 
Fiberglass with stainless steel braid with armor cable (800°F) |
| W | 
Fluoropolymer with stainless steel braid with armor cable (400°F) |
| Wire gauge determined by ECS based on sheath diameter |
| 7 | Lead Wire Length |
|---|---|
| 6-999 | |
| Over 999" contact factory |
| 8 | Termination Style |
|---|---|
| A | 
2" stripped leads (bare ends) |
| B | 
2" stripped leads w/ spade lugs |
| C | 
Standard male plug (400°F) |
| D | 
High temp male plug (660°F) |
| E | 
Max temp male plug (800°F) |
| G | 
Solid pin plug |
| H | 
Standard female jack (400°F) |
| J | 
Miniature plug (400°F) |
| K | 
Miniature jack (400°F) |
| L | 
2" stripped leads w/ #6 Ring terminals |
| N | 
Standard 3 pin plug w/ ground wire (400°F) |
| W | 
2” stripped leads w/ pin terminals |
| Q | 
2” stripped leads w/ wire ferrules |
X |
Extra long lead wire length (beyond 2” stripped leads) |
| 9 | Special Features |
|---|---|
| None | |
| 01 | 
Solid conductor (Lead wire) |
| 02 | 
1.5" long strain relief spring |
| 03 | 
1.5" long heat shrink where wire exits the probe |
| 04 | 
Flat tip probe |
| 05 | 
Drill point tip |
| 06 | 
Epoxy seal |
| 07 | 
Cable Clamp |
| 08 | 
Bx Connector |
| 09 | 
Mating connector |
| 11 | 
International IEC 584-3 color coded leads |
| 12 | 
British color coded leads |
| 13 | 
German color coded leads |
| 14 | 
Japanese color coded leads |
| 15 | Reverse polarity color coded leads |
| 16 | 
French color coded leads |
| 18 | 
Moisture protection boot on connector |
| 29 | 
Silver solder thermocouple junction |
| 32 | 
1/4-28 bolt w/ 5/16” hex (small hex) |
| 33 | 
1/4-28 bolt w/ 7/8” long thread (7/16” hex) |
| 35 | 
Spring loaded bolt |
- 20 AWG stranded wire comes standard on nozzle bolt type thermocouples
- Bolt is free spinning on standard designs
- For custom thread lengths consult factory
