S-90298A546 10-24 ASME B18.3 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction and passivated finish, ideal for harsh industrial environments
• Precise component alignment ensured by the 1-1/2" shoulder with tight diameter tolerance of ±0.001"
• High-strength performance delivering 70,000 psi tensile strength and Rockwell B55 hardness for demanding applications
• Secure installation and removal with hex drive and knurled head design for improved grip and torque transmission
• Reliable thread engagement through Class 3A thread fit and coarse UNC threading for vibration resistance
• Regulatory compliance assurance meeting ASME B18.3 standards and RoHS/REACH environmental directives
• Versatile right-hand threading compatible with standard UNC 10-24 components for broad industrial use

Professional Applications & Engineering Value

This stainless steel shoulder screw addresses critical alignment and durability challenges in precision assemblies. The 1-1/2" shoulder length with minimal tolerance variations provides exact positioning for rotating parts in machinery, while the 10-24 UNC coarse thread and Class 3A fit maintain secure fastening under dynamic loads. The 18-8 stainless steel material combined with a passivated finish resists chemical exposure and oxidation, extending service life in automotive, packaging, and conveyor systems. Its hex drive and knurled head facilitate quick maintenance, reducing downtime in high-volume production environments where reliability is paramount.

Specification Summary & Compliance

Manufactured to ASME B18.3 specifications, this shoulder screw maintains Class 3A thread fit with UNC 10-24 threading and a shoulder diameter tolerance of -0.001" to 0.001". The component is fully RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, ensuring adherence to international environmental and safety standards for industrial use.