S-93996A408 10-32 Shoulder Screws

Key Features & Benefits at a Glance

• Vibration-resistant locking with a nylon patch that maintains secure fastening in dynamic applications, preventing loosening under stress.
• Superior corrosion resistance from 18-8 stainless steel, ensuring long-term durability in harsh or humid industrial environments.
• Precise alignment and smooth rotation due to the accurately machined shoulder with a tight diameter tolerance, reducing wear on mating parts.
• High tensile strength of 70,000 psi for reliable performance in heavy-duty assemblies, minimizing the risk of mechanical failure.
• Fine UNF thread design offers enhanced grip and load distribution, ideal for applications requiring fine adjustments and secure threading.
• Wide temperature tolerance from -70° to 250°F, allowing consistent operation in extreme thermal conditions without compromising integrity.
• Compliance with RoHS 3 and REACH standards, ensuring environmental safety and meeting global regulatory requirements for industrial components.

Professional Applications & Engineering Value

This precision 10-32 UNF shoulder screw is engineered to address common industrial challenges such as misalignment, vibration-induced loosening, and corrosion in machinery. The 18-8 stainless steel construction provides excellent resistance to rust and chemicals, making it suitable for automotive, aerospace, and electronic assemblies where durability is critical. The nylon patch thread locking feature ensures that the screw remains securely fastened even under continuous motion or shock loads, reducing maintenance needs. With a fine thread and Class 2A thread fit, it delivers precise engagement in components like bearings, pulleys, and gears, enhancing overall system reliability and lifespan in demanding environments.

Specification Summary & Compliance

This shoulder screw adheres to Class 2A thread tolerance for consistent fit and performance, with precise shoulder dimensions (diameter: 1/4", length: 1/4") ensuring accurate alignment. Manufactured to UNF thread standards, it includes a nylon patch for locking and supports temperatures from -70° to 250°F. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its safety and environmental standards for industrial use.