S-92220A177 10-32 x 1 1/4" ASTM A574 Alloy Steel Low-Profile Socket Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with black-oxide coating, extending service life in demanding industrial environments.
• High tensile strength of 140,000 psi ensures reliable performance under heavy loads and vibration.
• Precise Class 3A thread fit provides excellent engagement and reduces the risk of cross-threading during assembly.
• Low-profile socket head design allows for installation in tight spaces while maintaining a sleek appearance.
• Partially threaded shank offers optimal clamping force distribution and prevents thread damage in non-threaded sections.
• Rockwell C39 hardness delivers exceptional wear resistance and durability for long-term use.
• Compliance with ASTM A574, RoHS 3, and REACH guarantees material quality and environmental safety for global applications.

Professional Applications & Engineering Value

This 10-32 UNF low profile socket head cap screw is engineered to address critical challenges in precision assembly and machinery. The black-oxide alloy steel construction provides enhanced corrosion resistance, making it ideal for applications exposed to moisture or chemicals, such as automotive components, electronic enclosures, and industrial equipment. The fine thread spacing and Class 3A thread fit ensure secure fastening in high-vibration environments, reducing maintenance needs. With a partially threaded design, it minimizes stress concentration and improves joint integrity. The low-profile head and 3/32" hex drive facilitate easy installation in confined spaces, streamlining assembly processes while maintaining high tensile strength and durability for demanding B2B applications.

Specification Summary & Compliance

This fastener adheres to Class 3A thread fit for precise dimensional accuracy and reliable performance. It conforms to ASTM A574 specifications for alloy steel socket head cap screws, ensuring consistent quality and mechanical properties. The product is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, supporting environmental safety and restricted substance management. Manufactured in the inch system with UNF fine threads, it meets industry standards for high-strength, corrosion-resistant fastening solutions.