Thermal Spray Parts & Components
In-house production of thermal spray solutions
Our Journey Serving the Thermal Spray Industry
Since our inception in 1998, Technical Engineering has been at the forefront of the thermal spray industry. Our in-house production has yielded a wide range of innovative and efficient thermal spray solutions, including patents on a modular F4 Gun Assembly & our own Combustion Head, as well as an entire line of gun-specific Robot Gun Mounts to meet the diverse needs of this industry.
Featured Product Lines
JET KOTE®¹ HVOF System Parts
Technical Engineering parts for use in a JET KOTE System
Technical Engineering is proud to manufacture its own
parts for the JET KOTE®¹ System, a leading product line in the thermal spray industry. Our parts are integral to the system's High Velocity Oxygen Fuel (HVOF) technology, enabling it to produce high-density, low-porosity coatings that exhibit strong bond strength. Our diligent production process ensures the parts' high quality, contributing significantly to the JET KOTE®¹ HVOF System's excellent performance in various industrial environments.
F4 Spray Gun parts
At Technical Engineering, we are excited to supply our own patented in-house designed and manufactured
F4 Gun Assembly, a highly versatile and efficient thermal spray gun. Our parts are made with a precision not possible in the past, ensuring optimal performance in various applications. Parts we manufacture at our Manchester, CT facility include Center Gun Body Assembly, Rear Gun Body Assembly, and many more.
Our Commitment to Innovation
At Technical Engineering, we are continuously investing in research and development to stay at the forefront of the thermal spray industry. We understand the importance of innovation and strive to provide our customers with cutting-edge solutions that meet their evolving needs. Our team of engineers is dedicated to developing new and improved parts for various thermal spray systems, staying true to our commitment of providing the highest quality products and service to our customers.

Thermal Spray Part Specifications
JET KOTE®¹ HVOF System Parts
| Thermal Spray Gun | Part # | Description |
|---|---|---|
| JET KOTE®¹ System | TEJK-246 | Gun Assembly 6” (Alum) |
| TEJK-230 | Gun Assembly 6” (SS) | |
| TEJK-321 | Gun Assembly 9” (Alum) | |
| TEJK-256 | Gun Assembly 12” (Alum) | |
| TEJK-122 | Gun Assembly 12” (SS) | |
| TEJK-499 | Fin Adapter | |
| TEJK-496 | Stabilizer | |
| TEJK-500 | Fuel Injector #50 | |
| TEJK-501 | Fuel Injector #40 | |
| TEJK-494 | Combustion Head, 080 | |
| TEJK-569 | Combustion Head, 050 | |
| TEJK-495 | Combustion Chamber | |
| TEJK-935 | Nozzle 1/4" x 6" | |
| TEJK-950 | Nozzle 1/4" x 9" | |
| TEJK-951 | Nozzle 1/4" x 12" | |
| TEJK-966 | Nozzle 5/16" x 3" | |
| TEJK-849 | Nozzle 5/16" x 6" | |
| TEJK-521 | Nozzle 5/16" x 9" | |
| TEJK-522 | Nozzle 5/16" x 12" | |
| TEJK-269 | Nozzle -6" -SST | |
| TEJK-497 | Nozzle Holder -6" -AL | |
| TEJK-264 | Nozzle Holder -9" -SST | |
| TEJK-523 | Nozzle Holder -9" -AL | |
| TEJK-959 | Nozzle Holder -12" -SST | |
| TEJK-524 | Nozzle Holder -12" -AL | |
| TEJK-263 | Gun Body- SST | |
| TEJK-493 | Gun Body- AL | |
| TEJK-503 | Lower Retaining Ring | |
| TEJK-503A | Lower Retaining Ring - AL |
| Thermal Spray Gun | Part # | Description |
|---|---|---|
| JET KOTE®¹ System Continued | TEJK-498 | Upper Retaining Ring |
| TEJK-498A | Upper Retaining Ring - AL | |
| TEJK-534 | O-Ring Kit | |
| TEJK-100 | Air Jet Assembly | |
| TEJK-934 | Extraction Tool | |
| TEJK-527 | O-Ring Viton -124 | |
| TEJK-933 | O-Ring Viton -024 | |
| TEJK-141 | O-Ring Viton -019 | |
| TEJK-550 | JetKote Robot Pointer |
Parts for JP5000 System
| Thermal Spray Gun | Part # | Description |
|---|---|---|
| JP5000 System | TEJP-504 | JP5000 Gun Assembly (4") |
| TEJP-506 | JP5000 Gun Assembly (6") | |
| TEJP-508 | JP5000 Gun Assembly (8") | |
| TEJP-078 | Barrel 4" | |
| TEJP-079 | Barrel 6" | |
| TEJP-080 | Barrel 8" | |
| TEJP-861 | Coaxial Stabilizer Assembly | |
| TEJP-879 | Water Jacket | |
| TEJP-922 | Inter-Connector (Dual Feed) | |
| TEJP-925 | Feed Tube Insert | |
| TEJP-401 | Barrel Assembly 4" | |
| TEJP-402 | Barrel Assembly 6" | |
| TEJP-403 | Barrel Assembly 8" | |
| TEJP-780 | Nut-Stabilizer | |
| TEJP-778 | Nut-Barrel Holder | |
| TEJP-779 | Nut-Water Jacket |
Parts for F4 System
| Thermal Spray Gun | Part # | Description |
|---|---|---|
| F4 System | TEF4-572 | F4 Gun Assembly |
| TEF4-525 | Screw Injector Holder M3 x 5 (6) | |
| TEF4-430 | Injector Holder Double 90°/75° | |
| TEF4-434 | Powder Injector 1.5 mm | |
| TEF4-436 | Powder Injector 1.8 mm | |
| TEF4-439 | Powder Injector 2.0 mm | |
| TEF4-419 | Lock Ring (Front) | |
| TEF4-425 | Lock Ring (Back) | |
| TEF4-499 | Gas Distributor | |
| TEF4-497 | Insulator | |
| TEF4-513 | Insulator Screw M4 X 10 (4) | |
| TEF4-512 | Insulating Screws (4) | |
| TEF4-514 | Screw (RGB) M4 X 30 (2) | |
| TEF4-573 | Center Gun Body Assembly | |
| TEF4-573W | Center Gun Body Water Rube | |
| TEF4-573S | Center Gun Body Sleeve | |
| TEF4-573C | Center Gun Body Core | |
| TEF4-574 | Rear Gun Body Assembly | |
| TEF4-574W | Rear Gun Body Water Tube | |
| TEF4-574G | Rear Gun Body Gas Tube | |
| TEF4-575 | F4 Shell | |
| TEF4-421 | Anode Holder (Front Gun Body) | |
| TEF4-477 | Anode Holder (Short) | |
| TEF4-468 | Air Jet Holder | |
| TEF4-900 | F4 90Deg Gas & Water Fitting Kit |
Parts for GATOR-GARD® System
| Thermal Spray Gun | Part # | Description |
|---|---|---|
| GATOR-GARD® System | TEGG-100 | Nut - 3M |
| TEGG-101 | Nut F4 | |
| TEGG-200 | Middle Insert | |
| TEGG-300 | Gun Body | |
| TEGG-400 | Power Jacket |
Gun Mounts
| Thermal Spray Gun | Part # | Description |
|---|---|---|
| Gun Mounts | TEGM-4 | Flat Mount |
| TEGM-TC1 | Flat Mount Mini | |
| TEGM-R | Round Mount | |
| TEGM-90 | 90° Mount | |
| TEGM-JK | JetKote Mount | |
| TEGM-JKM | JetKote Mini Mount | |
| TEGM-3M | 3M Mount | |
| TEGM-3MBT | 3MBT Mount | |
| TEGM-3M-X12 | 3M Mount Extention 12" | |
| TEGM-3M-X24 | 3M Mount Extention 24" | |
| TEGM-SG | SG 100 Mount | |
| TEGM-SGR | SG 100 Round Mount Adapter | |
| TEGM-SGT | SG 100 Tubular Mount | |
| TEGM-SGT90 | SG 100 90 Deg Tubular Mount | |
| TEGM-F1 | F1 Mount | |
| TEGM-F4 | F4 Mount | |
| TEGM-F4R | F4 for Round Mount | |
| TEGM-6P | 6P Mount | |
| TEGM-SA | Smart Arc Mount | |
| TEGM-9M | 9M Mount | |
| TEGM-DJ | DJ Mount | |
| TEGM-DJR | DJ Round Mount | |
| TEGM-JP | JP5000 Mount | |
| TEGM-JPR | JP5000 Round Mount | |
| TEGM-SIN | Sinplex Gun Mount | |
| TEGM-WJ | Wokajet Mount | |
| TEGM-WM | Spray Gun Wall Mount |
Contact Us
We are able to quickly and effectively respond to the custom needs of our customers and have extensive contract production machining experience. We are committed to providing innovative solutions from design through production of their needs.
We invite you to contact Technical Engineering to talk about your thermal spray component requirements. Whether you need parts for JET KOTE®, JP-5000, F4, Gator-Gard®, or custom gun mounts, our proven expertise and dedication to quality mean we will strive to exceed your expectations.
*JET KOTE®¹ is registered in the U.S. Patent and Trademark Office as a trademark of Kennametal Inc. Use of this mark does not indicate an association with, or sponsorship by, Kennametal Inc.





