S-93996A343 8-32 Shoulder Screws

Key Features & Benefits at a Glance

• Enhanced Vibration Resistance: Integrated nylon patch thread locker ensures secure, long-lasting fastening in high-vibration environments, preventing loosening under dynamic loads.
• Superior Corrosion Resistance: Made from 18-8 Stainless Steel, offering excellent durability and resistance to rust and corrosion in harsh industrial settings.
• Precise Alignment & Reduced Wear: The 3/4" shoulder length with precise fit tolerance provides accurate component alignment, minimizing wear and extending assembly life.
• High Tensile Strength for Demanding Applications: With a 70,000 psi tensile strength and Rockwell B55 hardness, it withstands heavy loads and mechanical stress reliably.
• Wide Temperature Compatibility: Nylon thread locker functions effectively from -70° to 250°F, ensuring performance stability across diverse operating conditions.
• Easy Installation & Removal: Slotted drive design allows for straightforward manual or tool-assisted installation and maintenance.
• Regulatory Compliance for Global Use: Compliant with RoHS 3 and REACH standards, making it suitable for international markets and environmentally conscious industries.

Professional Applications & Engineering Value

This 8-32 UNC shoulder screw is engineered to address common industrial challenges such as misalignment, vibration-induced loosening, and corrosion. The 18-8 stainless steel construction provides robust corrosion resistance, ideal for machinery, automotive assemblies, and electronic enclosures exposed to moisture or chemicals. The nylon patch thread locker secures the right-hand thread firmly, reducing maintenance needs in vibrating equipment. With a 3/4" shoulder length and precise shoulder fit, it ensures accurate positioning of moving parts like gears and pulleys, enhancing operational efficiency and reducing downtime. The slotted drive and socket head facilitate easy installation in confined spaces, making it a versatile choice for precision engineering applications requiring reliable, long-term fastening solutions.

Specification Summary & Compliance

This shoulder screw adheres to UNC coarse thread standards with a Class 2A thread fit for consistent engagement and ease of assembly. The shoulder diameter and length maintain tight tolerances (e.g., shoulder diameter: -0.001" to 0", shoulder length: 0" to 0.002") to ensure precise component fit. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for restricted substance-controlled environments. Manufactured to deliver high performance with a tensile strength of 70,000 psi, it meets rigorous industrial demands for durability and safety.