S-92210A305 10-32 x 7/8" ASME B18.3 Stainless Steel Hex Drive Flat Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction and passivated finish, ideal for harsh environments.
• Exceptional thread reliability due to Class 3A thread fit and UNF fine threading, ensuring precise, vibration-resistant connections.
• High-strength performance offering 70,000 psi tensile strength and Rockwell B55 hardness for demanding applications.
• Secure and efficient installation with a hex drive and 1/8" drive size, allowing for high torque application without slippage.
• Optimal flush mounting featuring a standard flat head with 82° countersink angle for a smooth, professional finish.
• Full threading versatility along the 7/8" length, providing consistent holding power across the entire fastener.
• Regulatory peace of mind with compliance to ASME B18.3, RoHS 3, and REACH, ensuring safety and environmental standards are met.

Professional Applications & Engineering Value

This 10-32 UNF flat head screw is engineered to address critical fastening challenges in precision industries. The 18-8 stainless steel material, combined with a passivated finish, provides excellent resistance to oxidation and chemical exposure, making it suitable for applications in electronics, aerospace, and marine equipment where durability is paramount. The Class 3A thread fit and fine thread spacing ensure tight, reliable connections that resist loosening under vibration, a common issue in machinery and automotive assemblies. Its hex drive design allows for secure installation in confined spaces, while the 82° countersink angle ensures a flush fit, reducing protrusion risks. Ideal for industrial screws in high-stress environments, this fastener delivers consistent performance, minimizing maintenance and downtime.

Specification Summary & Compliance

This product adheres to precise dimensional standards, including a Class 3A thread fit for high accuracy and UNF thread type with fine spacing. It meets ASME B18.3 specifications for flat head screws and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material restrictions are addressed. The manufacturing process ensures consistent thread diameter of 0.19" and length of 7/8", supporting reliable integration in various assemblies.