S-97763A312 0-80 x 3/16" ASME B18.3 Stainless Steel Button Head Hex-Drive Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with Black-Oxide coated 18-8 Stainless Steel, ideal for harsh environments and extended service life
• High-strength performance offering 70,000 psi tensile strength and Rockwell B55 hardness for reliable load-bearing in demanding applications
• Precise thread engagement with Class 3A fit and UNF fine thread, ensuring secure, vibration-resistant fastening and reduced loosening
• Easy installation and removal using a standard 0.035" hex drive, providing efficient assembly with common tools
• Compact, low-profile design with a rounded button head, minimizing protrusion while maintaining a secure hold in tight spaces
• Full threading along the 3/16" length for maximum grip and adjustability across the entire fastener
• Compliance with major industry standards including ASME B18.3, RoHS 3, and REACH, ensuring safety and regulatory adherence

Professional Applications & Engineering Value

This 0-80 UNF fine thread screw is engineered to address critical challenges in precision assemblies, such as electronics, medical devices, and aerospace components. The Black-Oxide 18-8 Stainless Steel construction provides excellent resistance to oxidation and chemical exposure, reducing maintenance needs in corrosive settings. Its Class 3A thread fit and fine threading enhance clamping force and minimize the risk of vibration-induced failure, making it ideal for applications requiring high reliability. The hex drive and rounded head facilitate quick installation in confined areas, streamlining production workflows while maintaining a clean, professional finish. By integrating durability with precision, this fastener supports long-term performance in industrial screws and machine screws applications.

Specification Summary & Compliance

This product adheres to ASME B18.3 specifications, with a Class 3A thread fit for precise UNF fine threading (0-80 size). Dimensions include a 3/16" length, 0.114" head diameter, and 0.032" head height. It meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring environmental and safety standards are upheld. The fully threaded design and right-hand threading support consistent performance across various industrial uses.