Thermo King Hex Head Machine Screw #10-32 x 3/4 552991
Official OEM Thermo King parts catalog entry for the Screw HH Mach 10-32 x 3/4, 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 Mach 10-32 x 3/4 (Part Number 552991) delivers OEM-grade fastening for temperature-control assemblies and critical reefer components. Thermo King refrigeration system service and repair rely on precision fasteners to maintain seal integrity and mechanical reliability in transport refrigeration applications.
West Texas Thermo King, a certified Thermo King dealership, supplies this hex-head machine screw for fleets that require dependable hardware to support uptime across Amarillo, Lubbock, Odessa, and the Permian Basin.
- OEM Form Factor – Matches Thermo King part specifications to ensure correct fit in factory assemblies and repair tasks.
- Hex Head Drive – Enables higher torque application for secure fastening in vibration-prone reefer environments.
- #10-32 Thread – Provides standard machine-thread engagement for precision assemblies common to transport refrigeration units.
- 3/4" Length – Offers appropriate grip length for panel and component fastening without excess exposure.
- Serviceability – Simplifies replacement during routine maintenance to minimize downtime and support fleet availability.
- Compatibility Focus – Suitable for Thermo King refrigeration assemblies where #10-32 fasteners are specified, supporting consistent temperature control performance.
Product Details
| Part Number | 552991 |
| Product Name | Screw HH Mach 10-32 x 3/4 |
| Thread Size | #10-32 (32 TPI) |
| Length | 3/4 inch |
| Head Type | Hex head (HH) |
| Compatibility | Designed for Thermo King refrigeration assemblies; used where #10-32 machine screws are specified (e.g., Precedent and Smart Reefer service assemblies). |
Exact material and finish are specified by Thermo King OEM documentation for each assembly; confirm material requirements during part verification for corrosive or exterior applications.
Efficiency & Sustainability
Small components like the Screw HH Mach 10-32 x 3/4 support efficient, fuel-efficient cooling by maintaining secure mechanical joins that prevent leaks and component misalignment. Reliable fasteners contribute to consistent temperature control on Smart Reefer SR-4 and Precedent-series units, supporting compliance-focused programs such as CARB Evergreen where fleet uptime and emissions efficiency matter.
Installation & Maintenance Tips
Install using appropriate hex socket or wrench to achieve secure engagement without over-tightening. Use OEM-recommended washers or locking hardware where indicated by the assembly instructions. Inspect fasteners during scheduled service intervals and replace any that show wear, corrosion, or thread damage to preserve seal integrity and mechanical reliability.
Real-World Applications
This OEM Thermo King hex-head machine screw secures panels, brackets, and component mounts on reefer trailers, refrigerated trucks, and transport refrigeration systems used in regional and long-haul operations. Fleets in West Texas rely on these precision fasteners during routine service and emergency repairs to maintain temperature control and reduce cargo risk.
Available for installation and service in Amarillo, Lubbock, Odessa, and throughout West Texas.
View all Thermo King PartsBacked by Thermo King 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: contact.
Frequently Asked Questions
Q: Is this screw compatible with Thermo King Precedent units?
A: Yes. This #10-32 x 3/4 hex-head machine screw fits Thermo King assemblies that specify #10-32 fasteners, including many Precedent-series service points.
Q: Can this part be used outdoors on reefers operating in the Permian Basin?
A: The part matches Thermo King OEM specifications for assembly use. Specify corrosion-resistant finishes or stainless alternatives if exposure to harsh environmental conditions is a concern; confirm finish requirements during parts verification.
Q: How does this fastener support fleet uptime?
A: Correct OEM fasteners maintain secure mechanical joins that prevent loosening, reduce service calls, and support consistent temperature control across refrigerated trailers and trucks.
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 Mach 10-32 x 3/4, 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 Mach 10-32 x 3/4 (Part Number 552991) delivers OEM-grade fastening for temperature-control assemblies and critical reefer components. Thermo King refrigeration system service and repair rely on precision fasteners to maintain seal integrity and mechanical reliability in transport refrigeration applications.
West Texas Thermo King, a certified Thermo King dealership, supplies this hex-head machine screw for fleets that require dependable hardware to support uptime across Amarillo, Lubbock, Odessa, and the Permian Basin.
- OEM Form Factor – Matches Thermo King part specifications to ensure correct fit in factory assemblies and repair tasks.
- Hex Head Drive – Enables higher torque application for secure fastening in vibration-prone reefer environments.
- #10-32 Thread – Provides standard machine-thread engagement for precision assemblies common to transport refrigeration units.
- 3/4" Length – Offers appropriate grip length for panel and component fastening without excess exposure.
- Serviceability – Simplifies replacement during routine maintenance to minimize downtime and support fleet availability.
- Compatibility Focus – Suitable for Thermo King refrigeration assemblies where #10-32 fasteners are specified, supporting consistent temperature control performance.
Product Details
| Part Number | 552991 |
| Product Name | Screw HH Mach 10-32 x 3/4 |
| Thread Size | #10-32 (32 TPI) |
| Length | 3/4 inch |
| Head Type | Hex head (HH) |
| Compatibility | Designed for Thermo King refrigeration assemblies; used where #10-32 machine screws are specified (e.g., Precedent and Smart Reefer service assemblies). |
Exact material and finish are specified by Thermo King OEM documentation for each assembly; confirm material requirements during part verification for corrosive or exterior applications.
Efficiency & Sustainability
Small components like the Screw HH Mach 10-32 x 3/4 support efficient, fuel-efficient cooling by maintaining secure mechanical joins that prevent leaks and component misalignment. Reliable fasteners contribute to consistent temperature control on Smart Reefer SR-4 and Precedent-series units, supporting compliance-focused programs such as CARB Evergreen where fleet uptime and emissions efficiency matter.
Installation & Maintenance Tips
Install using appropriate hex socket or wrench to achieve secure engagement without over-tightening. Use OEM-recommended washers or locking hardware where indicated by the assembly instructions. Inspect fasteners during scheduled service intervals and replace any that show wear, corrosion, or thread damage to preserve seal integrity and mechanical reliability.
Real-World Applications
This OEM Thermo King hex-head machine screw secures panels, brackets, and component mounts on reefer trailers, refrigerated trucks, and transport refrigeration systems used in regional and long-haul operations. Fleets in West Texas rely on these precision fasteners during routine service and emergency repairs to maintain temperature control and reduce cargo risk.
Available for installation and service in Amarillo, Lubbock, Odessa, and throughout West Texas.
View all Thermo King PartsBacked by Thermo King 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: contact.
Frequently Asked Questions
Q: Is this screw compatible with Thermo King Precedent units?
A: Yes. This #10-32 x 3/4 hex-head machine screw fits Thermo King assemblies that specify #10-32 fasteners, including many Precedent-series service points.
Q: Can this part be used outdoors on reefers operating in the Permian Basin?
A: The part matches Thermo King OEM specifications for assembly use. Specify corrosion-resistant finishes or stainless alternatives if exposure to harsh environmental conditions is a concern; confirm finish requirements during parts verification.
Q: How does this fastener support fleet uptime?
A: Correct OEM fasteners maintain secure mechanical joins that prevent loosening, reduce service calls, and support consistent temperature control across refrigerated trailers and trucks.
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.
