S-92220A254 3/8"-16 x 1 1/4" ASTM A574 Alloy Steel Low-Profile Socket Head Screws

Key Features & Benefits at a Glance

• Enhanced corrosion resistance with black-oxide coating, extending service life in demanding industrial environments.
• Superior strength and durability from alloy steel construction, providing a high tensile strength of 140,000 psi for reliable, long-term fastening.
• Precise, secure thread engagement with Class 3A fit and UNC coarse threads, ensuring consistent performance and reduced risk of cross-threading.
• Space-saving low-profile head design allows installation in tight or restricted clearance applications without compromising on drive stability.
• High hardness (Rockwell C39) resists wear and deformation, maintaining fastener integrity under high-stress conditions.
• Broad industrial compliance meets ASTM A574 specifications and is RoHS 3 and REACH compliant, ensuring suitability for regulated and precision-driven applications.
• Efficient hex drive installation with a 3/16" hex key, enabling quick, secure tightening and reducing assembly time.

Professional Applications & Engineering Value

This low profile socket head cap screw is engineered to address critical challenges in machinery, automotive, and heavy equipment assembly where space constraints and high mechanical stress are common. The black-oxide alloy steel construction offers excellent resistance to rust and abrasion, while the UNC coarse threads and Class 3A fit provide reliable, vibration-resistant connections that minimize loosening. Its low-profile head is ideal for compact designs, allowing secure fastening in confined areas without sacrificing the high tensile strength of 140,000 psi. These features make it a dependable choice for engineers and procurement specialists seeking durable, precision industrial fasteners that meet rigorous performance and compliance standards.

Specification Summary & Compliance

This socket head cap screw adheres to precise dimensional and performance criteria, including a Class 3A thread fit for tight tolerances and UNC coarse threading (3/8"-16) for robust engagement. Manufactured in compliance with ASTM A574 specifications, it ensures consistent quality and reliability. The product is also confirmed to be RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting environmental and safety regulations for use across various industrial sectors.