S-98625A950 1/4"-80 Thumb Screws

Key Features & Benefits at a Glance

• Exceptional holding power with 50,000 psi tensile strength for secure, long-lasting fastening in plastic assemblies.
• Superior thread precision with Class 3B fit and UNS ultra fine thread (1/4"-80) ensures vibration resistance and reliable performance.
• Optimized for plastic materials, featuring a press-fit design that simplifies installation and prevents material damage.
• Corrosion-resistant brass construction enhances durability and longevity in various industrial environments.
• Pre-engineered dimensions (0.298" body length, 5/16" installed length) for a perfect fit in standard 5/16" holes.
• Compliant with RoHS 3 regulations, meeting environmental standards for safe use in global markets.
• Right-hand thread direction provides standard, intuitive installation for efficient assembly line operations.

Professional Applications & Engineering Value

This 1/4"-80 ultra fine thread brass insert is engineered to solve critical challenges in plastic fastening applications. Its press-fit design and Class 3B thread fit eliminate the need for additional adhesives or complex tools, reducing assembly time and cost. The brass material offers excellent corrosion resistance, preventing thread wear and maintaining 50,000 psi tensile strength under dynamic loads. Ideal for electronics, automotive components, and consumer goods, this threaded insert ensures secure connections in plastics where fine adjustment and high reliability are paramount. The ultra fine thread spacing provides superior grip in softer materials, minimizing the risk of stripping and enhancing overall product lifespan.

Specification Summary & Compliance

This insert features a Class 3B thread fit with UNS ultra fine threads (1/4"-80), ensuring high precision and tight tolerances. Key dimensions include a body length of 0.298", installed length of 5/16", and flange diameter of 0.352". It is designed for use in plastics with a maximum hole diameter of 5/16" and minimum material thickness of 0.298". The product is manufactured to meet RoHS 3 (2015/863/EU) compliance with exemption 6(c) for lead in copper alloy, adhering to international environmental and safety standards.