S-91773A071 0-80 x 3/4" ASME B18.6.3 Stainless Steel Round Head Phillips Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance thanks to 18-8 stainless steel construction and passivated finish, ensuring long-term reliability in harsh environments.
• Exceptional tensile strength rated at 100,000 psi, providing reliable fastening integrity for high-stress applications.
• Precision fine threading (0-80 UNF) with Class 2A fit ensures secure, vibration-resistant connections in delicate assemblies.
• Optimized drive engagement with a No. 0 Phillips head, allowing for efficient installation and reduced cam-out risk.
• Enhanced durability from Rockwell B100 hardness, resisting wear and deformation under repeated use.
• Full regulatory compliance with ASME B18.6.3, RoHS 3, and REACH, guaranteeing safety and environmental standards are met.
• Versatile 3/4" fully threaded design offers maximum grip and adjustability across a wide range of material thicknesses.

Professional Applications & Engineering Value

Engineered for precision-driven industries, this 18-8 stainless steel rounded head Phillips screw addresses critical challenges in assembly and maintenance. Its fine UNF thread (0-80) and Class 2A thread fit provide superior holding power in thin materials and delicate components, minimizing the risk of stripping. The passivated finish significantly enhances corrosion resistance, making it ideal for applications exposed to moisture, chemicals, or outdoor elements. Commonly used in electronics enclosures, medical devices, and precision instrumentation, this screw ensures reliable performance where vibration resistance and long-term fastener integrity are paramount. The combination of 100,000 psi tensile strength and a rounded head profile distributes load effectively, reducing stress concentrations and improving joint durability.

Specification Summary & Compliance

This screw maintains precise dimensional accuracy with a Class 2A thread fit and adheres to UNF fine thread standards (0-80). Manufacturing and quality are governed by ASME B18.6.3 specifications, ensuring consistent performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming it is free from hazardous substances and safe for various industrial and consumer applications.