Thermo King Hex Head Machine Screw 1/4-20 x 5/8 553018
Official OEM Thermo King parts catalog entry for the Screw HH 1/4-20 x 5/8 (553018), 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 HH 1/4-20 x 5/8 (553018) supports Thermo King refrigeration system assemblies with OEM-grade fastening reliability, ensuring precise, secure connections in temperature-control applications for reefer trailers and transport refrigeration equipment.
Product Overview
The Screw HH 1/4-20 x 5/8 (553018) is a hex head machine screw specified for use in Thermo King service and repair work where a 1/4-20 coarse-thread fastener of 5/8 inch length is required. This fastener ensures accurate alignment and dependable clamping for components subject to vibration and thermal cycling in refrigerated transport environments across Amarillo, Lubbock, Odessa, and the Permian Basin.
Key Features & Customer Benefits
- Hex Head Design – Provides easy, secure installation with standard sockets or wrenches for field and shop service.
- 1/4-20 Coarse Thread – Ensures strong thread engagement in machine-threaded holes and common Thermo King assemblies.
- 5/8" Length – Delivers appropriate grip for panel and bracket attachment without excessive protrusion.
- OEM Part Number 553018 – Facilitates accurate ordering, inventory control, and fleet parts tracking.
- Vibration-Resistant Fastening – Supports longevity and reduces service interruptions in transport refrigeration duty cycles.
- Fleet Uptime Focus – Small parts that meet OEM fit keep systems running and reduce unplanned downtime across regional operations.
Product Details
| Part Number | 553018 |
| Product Name | Screw HH 1/4-20 x 5/8 |
| Head Type | Hex Head (HH) |
| Thread | 1/4-20 (coarse) |
| Length | 5/8 in |
| Material / Finish | OEM specification (material/finish not publicly specified) |
| Compatibility | Thermo King assemblies requiring a 1/4-20 x 5/8 hex head machine screw |
Efficiency & Sustainability
Using OEM fasteners such as the Screw HH 1/4-20 x 5/8 (553018) supports efficient maintenance workflows and reduces parts waste from incorrect replacements. Proper fastening contributes to long-term reliability and service intervals for Thermo King Smart Reefer SR-4 managed fleets and CARB Evergreen-compliant operations by maintaining sealed assemblies and reducing the risk of component failure.
Installation & Maintenance Tips
Install with the correct-sized socket or wrench and follow OEM torque guidance for the specific assembly. Inspect threads and seating surfaces during scheduled maintenance and replace any fastener with visible wear or thread damage. Use threadlocker or washers only when specified in Thermo King service documentation.
Real-World Applications
This screw fastens panels, brackets, and accessory components within refrigerated trucks, reefer trailers, transport refrigeration units, and associated mounting hardware. It performs in shop repairs and on-road service calls, supporting precise temperature control and consistent operation across Thermo King systems.
Available for installation and service in Amarillo, Lubbock, Odessa, and throughout West Texas.
Backed 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, contact us for warranty information at https://www.trailerservicesofwesttexas.com/contact or contact the service department for confirmation.
Frequently Asked Questions
Q: Is this screw compatible with Thermo King Precedent or S-610 series units?
A: The Screw HH 1/4-20 x 5/8 (553018) is intended for Thermo King assemblies that specify a 1/4-20 x 5/8 hex head machine screw; reference OEM service documentation for exact model-level fitment.
Q: What tools are recommended for installation?
A: Use the correct-sized socket or wrench for hex head installation and observe OEM torque values. Inspect threads and mating surfaces before reuse.
Q: How does using OEM fasteners affect fleet performance?
A: OEM fasteners maintain proper clamping and alignment, supporting consistent temperature control, reduced vibration-related loosening, and improved uptime for refrigerated transport operations.
Related Resources
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 HH 1/4-20 x 5/8 (553018), 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 HH 1/4-20 x 5/8 (553018) supports Thermo King refrigeration system assemblies with OEM-grade fastening reliability, ensuring precise, secure connections in temperature-control applications for reefer trailers and transport refrigeration equipment.
Product Overview
The Screw HH 1/4-20 x 5/8 (553018) is a hex head machine screw specified for use in Thermo King service and repair work where a 1/4-20 coarse-thread fastener of 5/8 inch length is required. This fastener ensures accurate alignment and dependable clamping for components subject to vibration and thermal cycling in refrigerated transport environments across Amarillo, Lubbock, Odessa, and the Permian Basin.
Key Features & Customer Benefits
- Hex Head Design – Provides easy, secure installation with standard sockets or wrenches for field and shop service.
- 1/4-20 Coarse Thread – Ensures strong thread engagement in machine-threaded holes and common Thermo King assemblies.
- 5/8" Length – Delivers appropriate grip for panel and bracket attachment without excessive protrusion.
- OEM Part Number 553018 – Facilitates accurate ordering, inventory control, and fleet parts tracking.
- Vibration-Resistant Fastening – Supports longevity and reduces service interruptions in transport refrigeration duty cycles.
- Fleet Uptime Focus – Small parts that meet OEM fit keep systems running and reduce unplanned downtime across regional operations.
Product Details
| Part Number | 553018 |
| Product Name | Screw HH 1/4-20 x 5/8 |
| Head Type | Hex Head (HH) |
| Thread | 1/4-20 (coarse) |
| Length | 5/8 in |
| Material / Finish | OEM specification (material/finish not publicly specified) |
| Compatibility | Thermo King assemblies requiring a 1/4-20 x 5/8 hex head machine screw |
Efficiency & Sustainability
Using OEM fasteners such as the Screw HH 1/4-20 x 5/8 (553018) supports efficient maintenance workflows and reduces parts waste from incorrect replacements. Proper fastening contributes to long-term reliability and service intervals for Thermo King Smart Reefer SR-4 managed fleets and CARB Evergreen-compliant operations by maintaining sealed assemblies and reducing the risk of component failure.
Installation & Maintenance Tips
Install with the correct-sized socket or wrench and follow OEM torque guidance for the specific assembly. Inspect threads and seating surfaces during scheduled maintenance and replace any fastener with visible wear or thread damage. Use threadlocker or washers only when specified in Thermo King service documentation.
Real-World Applications
This screw fastens panels, brackets, and accessory components within refrigerated trucks, reefer trailers, transport refrigeration units, and associated mounting hardware. It performs in shop repairs and on-road service calls, supporting precise temperature control and consistent operation across Thermo King systems.
Available for installation and service in Amarillo, Lubbock, Odessa, and throughout West Texas.
Backed 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, contact us for warranty information at https://www.trailerservicesofwesttexas.com/contact or contact the service department for confirmation.
Frequently Asked Questions
Q: Is this screw compatible with Thermo King Precedent or S-610 series units?
A: The Screw HH 1/4-20 x 5/8 (553018) is intended for Thermo King assemblies that specify a 1/4-20 x 5/8 hex head machine screw; reference OEM service documentation for exact model-level fitment.
Q: What tools are recommended for installation?
A: Use the correct-sized socket or wrench for hex head installation and observe OEM torque values. Inspect threads and mating surfaces before reuse.
Q: How does using OEM fasteners affect fleet performance?
A: OEM fasteners maintain proper clamping and alignment, supporting consistent temperature control, reduced vibration-related loosening, and improved uptime for refrigerated transport operations.
Related Resources
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.