S-99154A385 10-32 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 Stainless Steel construction, ideal for harsh environments and long-term reliability.
• Precise alignment and pivot function due to the 1/4" shoulder diameter with tight tolerance, ensuring accurate component positioning.
• High strength and durability with 70,000 psi tensile strength and Rockwell B55 hardness, suitable for demanding mechanical assemblies.
• Secure and fine-thread engagement using 10-32 UNF threads with Class 2A fit, reducing the risk of loosening under vibration.
• Low-profile socket head design allows for easy installation in confined spaces and provides a sleek, unobtrusive finish.
• Environmental compliance assurance with RoHS 3 and REACH standards, meeting global regulatory requirements for safe usage.
• Consistent dimensional accuracy across shoulder length and diameter, facilitating repeatable assembly processes.

Professional Applications & Engineering Value

This precision shoulder screw is engineered to address common industrial challenges such as misalignment and component wear in machinery. The 18-8 Stainless Steel material offers excellent resistance to rust and corrosion, making it suitable for applications in automotive, electronics, and precision instruments. The low socket head and fine 10-32 UNF thread ensure a secure fit in tight spaces, while the precisely machined shoulder provides stable support for rotating parts like gears and linkages. By integrating Class 2A thread fit and robust tensile strength, these screws minimize failure risks and enhance the longevity of assembled components, delivering reliable performance in high-stress environments.

Specification Summary & Compliance

This shoulder screw adheres to Class 2A thread fit for consistent engagement and features a 1/4" shoulder diameter with tight tolerances (-0.001" to 0") and 3/8" shoulder length (0" to 0.002" tolerance). It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring it is free from hazardous substances. Manufactured to precise standards, it supports reliable performance in various industrial fastener applications.