S-99154A436 10-32 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 Stainless Steel construction, ideal for harsh environments and reducing replacement frequency.
• Enhanced durability and load-bearing capacity from 70,000 psi tensile strength and Rockwell B55 hardness for reliable performance under stress.
• Precise component alignment and secure fit thanks to the 1/4" shoulder diameter with precise fit and fine 10-32 UNF thread with Class 2A fit, minimizing play.
• Space-saving low-profile socket head allows for installation in tight spaces while providing a smooth, clean appearance.
• Consistent quality and interchangeability ensured by adherence to UNF thread standards and tight shoulder diameter and length tolerances.
• Environmental and regulatory compliance with RoHS 3 and REACH, making it suitable for global markets and sensitive applications.
• Right-hand thread direction for standard assembly procedures, facilitating quick and familiar installation.

Professional Applications & Engineering Value

This precision shoulder screw is engineered to address critical alignment and fastening challenges in industrial machinery. The 18-8 Stainless Steel material offers excellent resistance to rust and corrosion, which is vital for equipment exposed to moisture or chemicals. The 1/4" shoulder diameter provides a precise pivot point or bearing surface, essential for applications like linkages, gears, and rotating assemblies where minimal radial movement is required. The 10-32 UNF fine thread and Class 2A thread fit ensure a secure, vibration-resistant connection, reducing the risk of loosening in dynamic environments. Its low socket head design is perfect for compact spaces, maintaining a streamlined profile without compromising strength. Ideal for use in precision machinery, automotive components, and electronic enclosures, this screw delivers reliable performance and long-term durability, minimizing maintenance needs and downtime.

Specification Summary & Compliance

This shoulder screw features a 10-32 UNF fine thread with a Class 2A thread fit for precise engagement and interchangeability. The shoulder diameter is 1/4" with a tolerance of -0.001" to 0", and the shoulder length is 5/16" with a tolerance of 0" to 0.002", ensuring accurate alignment. Manufactured from 18-8 Stainless Steel, it meets industry standards for mechanical properties, including a tensile strength of 70,000 psi and Rockwell B55 hardness. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, supporting safe and environmentally responsible use in various industrial applications.