Thermo King Hex Head Cap Screw 1/4-20 x 5/8 550538
Official OEM Thermo King parts catalog entry for the Screw HH CP 1/4-20x5/8, 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 CP 1/4-20x5/8 (Part 550538) delivers an OEM-compatible fastening solution for Thermo King refrigeration system assemblies, supporting secure joins in transport refrigeration and reefer trailer components where precision fastening matters.
Product Overview
Thermo King Screw HH CP 1/4-20x5/8 (550538) corresponds to a standard hex head cap screw identified by its thread and length designation. This fastener ensures consistent clamping force and reliable thread engagement in a wide range of Thermo King applications, helping maintain uptime and serviceability for fleets operating in West Texas and the Permian Basin.
Key Features & Customer Benefits
- Hex Head Design – Provides positive wrench engagement for rapid, repeatable installation and removal.
- 1/4"-20 UNC Thread – Uses coarse standard threads for reliable holding power in mating components common to refrigeration equipment.
- 5/8" Length – Fits compact assemblies where controlled thread depth is required.
- OEM-Compatible Specification – Matches common Thermo King fastener nomenclature for straightforward parts replacement and maintenance.
- Durability for Fleet Use – Supports long-term reliability and reduced downtime when installed and torqued per manufacturer guidelines.
- Service-Friendly – Easy to source and install during scheduled service in Amarillo, Lubbock, Odessa, and throughout West Texas.
Product Details
Per standard fastener identification, this item is a hex head cap screw with a 1/4"-20 UNC coarse thread and a 5/8" nominal length. The designation "HH CP" indicates hex head cap style with a plain finish in common industry shorthand. For material, finish, and hardness specifications relevant to specific Thermo King models such as Precedent S-610M, S-610DE, or Smart Reefer SR-4, consult OEM documentation or request verification from West Texas Thermo King to confirm application-specific requirements.
Efficiency & Sustainability
This fastener contributes to efficient service procedures by using standardized thread geometry that minimizes rework and reduces service time. When used with manufacturer-recommended materials and finishes, it supports corrosion resistance strategies suitable for transport refrigeration systems and helps maintain fuel-efficient cooling operation by preserving assembly integrity.
Installation & Maintenance Tips
Install using the correct socket or wrench and torque to Thermo King service specifications for the mating assembly. Use OEM or OEM-equivalent locking hardware and clamps where specified, and inspect threaded connections during scheduled maintenance intervals to ensure continued reliability and safe operation.
Real-World Applications
This screw fits fastener points in reefer trailers, refrigerated truck bodies, and Thermo King transport refrigeration units where a 1/4"-20 x 5/8" hex head cap screw is required. It supports secure mounting of panels, brackets, and service-access hardware across Diesel Direct Electric and standard diesel-driven systems.
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 reliability 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: Contact West Texas Thermo King.
Frequently Asked Questions
Q: Is this screw compatible with Thermo King Precedent units?
A: Compatibility depends on the specific mounting point and material requirements; this part matches the 1/4"-20 x 5/8" hex head cap specification commonly used on Precedent-series assemblies. For model-specific confirmation, contact West Texas Thermo King.
Q: What driver or socket is required for installation?
A: Use the appropriately sized hex socket or wrench for the screw head; follow Thermo King torque values for the mating component to ensure correct clamp load.
Q: Can this fastener be used outdoors in West Texas conditions?
A: Use corrosion-resistant material or finish per the application. Consult service documentation or West Texas Thermo King for recommendations on stainless or plated options when exposure to road salts or harsh conditions is expected.
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 CP 1/4-20x5/8, 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 CP 1/4-20x5/8 (Part 550538) delivers an OEM-compatible fastening solution for Thermo King refrigeration system assemblies, supporting secure joins in transport refrigeration and reefer trailer components where precision fastening matters.
Product Overview
Thermo King Screw HH CP 1/4-20x5/8 (550538) corresponds to a standard hex head cap screw identified by its thread and length designation. This fastener ensures consistent clamping force and reliable thread engagement in a wide range of Thermo King applications, helping maintain uptime and serviceability for fleets operating in West Texas and the Permian Basin.
Key Features & Customer Benefits
- Hex Head Design – Provides positive wrench engagement for rapid, repeatable installation and removal.
- 1/4"-20 UNC Thread – Uses coarse standard threads for reliable holding power in mating components common to refrigeration equipment.
- 5/8" Length – Fits compact assemblies where controlled thread depth is required.
- OEM-Compatible Specification – Matches common Thermo King fastener nomenclature for straightforward parts replacement and maintenance.
- Durability for Fleet Use – Supports long-term reliability and reduced downtime when installed and torqued per manufacturer guidelines.
- Service-Friendly – Easy to source and install during scheduled service in Amarillo, Lubbock, Odessa, and throughout West Texas.
Product Details
Per standard fastener identification, this item is a hex head cap screw with a 1/4"-20 UNC coarse thread and a 5/8" nominal length. The designation "HH CP" indicates hex head cap style with a plain finish in common industry shorthand. For material, finish, and hardness specifications relevant to specific Thermo King models such as Precedent S-610M, S-610DE, or Smart Reefer SR-4, consult OEM documentation or request verification from West Texas Thermo King to confirm application-specific requirements.
Efficiency & Sustainability
This fastener contributes to efficient service procedures by using standardized thread geometry that minimizes rework and reduces service time. When used with manufacturer-recommended materials and finishes, it supports corrosion resistance strategies suitable for transport refrigeration systems and helps maintain fuel-efficient cooling operation by preserving assembly integrity.
Installation & Maintenance Tips
Install using the correct socket or wrench and torque to Thermo King service specifications for the mating assembly. Use OEM or OEM-equivalent locking hardware and clamps where specified, and inspect threaded connections during scheduled maintenance intervals to ensure continued reliability and safe operation.
Real-World Applications
This screw fits fastener points in reefer trailers, refrigerated truck bodies, and Thermo King transport refrigeration units where a 1/4"-20 x 5/8" hex head cap screw is required. It supports secure mounting of panels, brackets, and service-access hardware across Diesel Direct Electric and standard diesel-driven systems.
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 reliability 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: Contact West Texas Thermo King.
Frequently Asked Questions
Q: Is this screw compatible with Thermo King Precedent units?
A: Compatibility depends on the specific mounting point and material requirements; this part matches the 1/4"-20 x 5/8" hex head cap specification commonly used on Precedent-series assemblies. For model-specific confirmation, contact West Texas Thermo King.
Q: What driver or socket is required for installation?
A: Use the appropriately sized hex socket or wrench for the screw head; follow Thermo King torque values for the mating component to ensure correct clamp load.
Q: Can this fastener be used outdoors in West Texas conditions?
A: Use corrosion-resistant material or finish per the application. Consult service documentation or West Texas Thermo King for recommendations on stainless or plated options when exposure to road salts or harsh conditions is expected.
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.