Thermo King Countersunk Flat-Head Machine Screw 8-32x1/2 551384
Official OEM Thermo King parts catalog entry for the Screw FH Mach 8-32x1/2 (551384), verified by PEAK Thermo King and West Texas Thermo King Texas, Utah, Wyoming, Washington, Oregon, serving all of the USA.
Built for Performance: The Thermo King Screw FH Mach 8-32x1/2 (part 551384) delivers OEM-grade fastening reliability for temperature-controlled fleets, supporting secure assemblies and consistent mechanical integrity across Thermo King refrigeration systems.
Thermo King refrigeration system crews and certified technicians use this flat head machine screw where a flush countersunk finish and precise thread engagement ensure dependable components retention in reefer trailers and transport refrigeration equipment.
- OEM Part Number 551384 – Matches Thermo King specifications for direct-fit replacement and consistent inventory control.
- Flat Head Countersunk – Sits flush in countersunk applications to maintain aerodynamic and clearance profiles on reefer trailers.
- #8-32 UNC Thread – Provides standard coarse machine-thread engagement for tapped holes and nut assemblies in Thermo King components.
- 1/2 inch Length – Optimized for internal assemblies and valve mountings where precise thread depth is required.
- Secure Fastening – Ensures stable mounting of solenoid valves, brackets, and service panels to minimize vibration-related loosening and downtime.
- Industry Materials – Commonly available in zinc-plated carbon steel or stainless steel for corrosion resistance and fleet durability (material not specified by OEM).
Product Details
| Part Number | 551384 |
| Description | Screw FH Mach 8-32x1/2 (Flat Head Machine Screw) |
| Thread Size | 8-32 UNC |
| Length | 1/2 inch |
| Head Type | Flat head (countersunk) |
| Material | Not specified by OEM — commonly zinc-plated carbon steel or stainless steel in industry supply |
| Typical Use | Fastening internal components, solenoid valves, brackets, and access panels on Thermo King refrigeration units |
Efficiency & Sustainability
This Thermo King OEM screw supports precise assemblies that preserve temperature control and reduce energy loss across reefer systems. Proper component retention contributes to consistent refrigeration efficiency on Smart Reefer SR-4–enabled trailers and Diesel Direct Electric systems, helping fleets maintain fuel-efficient cooling and regulatory compliance where applicable.
Installation & Maintenance Tips
Use OEM-specified hardware practices: countersink the mating surface when a flush finish is required, use matched thread engagement, and inspect torque and thread condition during scheduled maintenance intervals. Replace any fasteners showing corrosion or thread damage to preserve assembly integrity and uptime.
Real-World Applications
The Screw FH Mach 8-32x1/2 (551384) is ideal for reefer trailers, refrigerated trucks, and transport refrigeration units where a flush-mounted machine screw is required. Technicians commonly apply this part when securing solenoid valves, control brackets, service panels, and similar internal components. Available for installation and service in Amarillo, Lubbock, Odessa, and throughout West Texas.
View all Thermo King PartsBacked by Thermo King’s engineering and supported by certified technicians at West Texas Thermo King, this component delivers lasting performance and uptime assurance for fleet operations.
For product verification or service assistance, call (806) 376-5837.
For current warranty eligibility or OEM replacement coverage, please contact us for warranty information or contact our service department for confirmation.
Frequently Asked Questions
Q: Is this screw compatible with Thermo King refrigeration units?
A: Yes. Part 551384 is an OEM Thermo King flat head machine screw intended for use in Thermo King refrigeration assemblies where an 8-32x1/2 flat head screw is specified.
Q: What material should be used for best corrosion resistance in West Texas climates?
A: Stainless steel or zinc-plated finishes provide improved corrosion resistance in variable climates; choose the material specified for the application or consult certified technicians for recommendations.
Q: Can this screw be used for solenoid valve mounting?
A: Yes. This flat head 8-32x1/2 screw commonly secures solenoid valves and internal brackets where a countersunk fastener is required for a flush fit.
Ask about fleet-wide parts programs through West Texas Thermo King.
Produced by a certified Thermo King dealership, West Texas Thermo King | a Division of PEAK Industrial. Servicing fleets across Amarillo, Lubbock, and Odessa.
Official OEM Thermo King parts catalog entry for the Screw FH Mach 8-32x1/2 (551384), verified by PEAK Thermo King and West Texas Thermo King Texas, Utah, Wyoming, Washington, Oregon, serving all of the USA.
Built for Performance: The Thermo King Screw FH Mach 8-32x1/2 (part 551384) delivers OEM-grade fastening reliability for temperature-controlled fleets, supporting secure assemblies and consistent mechanical integrity across Thermo King refrigeration systems.
Thermo King refrigeration system crews and certified technicians use this flat head machine screw where a flush countersunk finish and precise thread engagement ensure dependable components retention in reefer trailers and transport refrigeration equipment.
- OEM Part Number 551384 – Matches Thermo King specifications for direct-fit replacement and consistent inventory control.
- Flat Head Countersunk – Sits flush in countersunk applications to maintain aerodynamic and clearance profiles on reefer trailers.
- #8-32 UNC Thread – Provides standard coarse machine-thread engagement for tapped holes and nut assemblies in Thermo King components.
- 1/2 inch Length – Optimized for internal assemblies and valve mountings where precise thread depth is required.
- Secure Fastening – Ensures stable mounting of solenoid valves, brackets, and service panels to minimize vibration-related loosening and downtime.
- Industry Materials – Commonly available in zinc-plated carbon steel or stainless steel for corrosion resistance and fleet durability (material not specified by OEM).
Product Details
| Part Number | 551384 |
| Description | Screw FH Mach 8-32x1/2 (Flat Head Machine Screw) |
| Thread Size | 8-32 UNC |
| Length | 1/2 inch |
| Head Type | Flat head (countersunk) |
| Material | Not specified by OEM — commonly zinc-plated carbon steel or stainless steel in industry supply |
| Typical Use | Fastening internal components, solenoid valves, brackets, and access panels on Thermo King refrigeration units |
Efficiency & Sustainability
This Thermo King OEM screw supports precise assemblies that preserve temperature control and reduce energy loss across reefer systems. Proper component retention contributes to consistent refrigeration efficiency on Smart Reefer SR-4–enabled trailers and Diesel Direct Electric systems, helping fleets maintain fuel-efficient cooling and regulatory compliance where applicable.
Installation & Maintenance Tips
Use OEM-specified hardware practices: countersink the mating surface when a flush finish is required, use matched thread engagement, and inspect torque and thread condition during scheduled maintenance intervals. Replace any fasteners showing corrosion or thread damage to preserve assembly integrity and uptime.
Real-World Applications
The Screw FH Mach 8-32x1/2 (551384) is ideal for reefer trailers, refrigerated trucks, and transport refrigeration units where a flush-mounted machine screw is required. Technicians commonly apply this part when securing solenoid valves, control brackets, service panels, and similar internal components. Available for installation and service in Amarillo, Lubbock, Odessa, and throughout West Texas.
View all Thermo King PartsBacked by Thermo King’s engineering and supported by certified technicians at West Texas Thermo King, this component delivers lasting performance and uptime assurance for fleet operations.
For product verification or service assistance, call (806) 376-5837.
For current warranty eligibility or OEM replacement coverage, please contact us for warranty information or contact our service department for confirmation.
Frequently Asked Questions
Q: Is this screw compatible with Thermo King refrigeration units?
A: Yes. Part 551384 is an OEM Thermo King flat head machine screw intended for use in Thermo King refrigeration assemblies where an 8-32x1/2 flat head screw is specified.
Q: What material should be used for best corrosion resistance in West Texas climates?
A: Stainless steel or zinc-plated finishes provide improved corrosion resistance in variable climates; choose the material specified for the application or consult certified technicians for recommendations.
Q: Can this screw be used for solenoid valve mounting?
A: Yes. This flat head 8-32x1/2 screw commonly secures solenoid valves and internal brackets where a countersunk fastener is required for a flush fit.
Ask about fleet-wide parts programs through West Texas Thermo King.
Produced by a certified Thermo King dealership, West Texas Thermo King | a Division of PEAK Industrial. Servicing fleets across Amarillo, Lubbock, and Odessa.
