S-90298A534 10-24 ASME B18.3 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 Stainless Steel and passivated finish, ideal for harsh industrial environments
• Exceptional strength and durability with 70,000 psi tensile strength and Rockwell B55 hardness for heavy-duty applications
• Precise alignment and reduced wear thanks to the 1/4" shoulder diameter with tight tolerances for stable component positioning
• Reliable, vibration-resistant fastening with Class 3A thread fit and coarse UNC thread for secure assembly
• Easy installation and removal featuring a knurled hex socket head for improved grip and torque application
• Broad industry compatibility meeting ASME B18.3 standards for consistent quality and interchangeability
• Environmentally responsible manufacturing compliant with RoHS 3 and REACH regulations

Professional Applications & Engineering Value

This 10-24 UNC shoulder screw is engineered to address critical challenges in precision machinery and industrial assemblies. The 18-8 Stainless Steel construction, enhanced by a passivated finish, provides excellent resistance to corrosion and oxidation, extending service life in demanding conditions like automotive, aerospace, and manufacturing equipment. The 1/4" shoulder diameter with minimal tolerances ensures precise alignment of moving parts, reducing wear and preventing misalignment in pivots, gears, and linkages. Combined with a Class 3A thread fit and coarse UNC thread, it offers superior vibration resistance and load distribution, making it ideal for high-stress applications where reliability is paramount. The knurled hex socket head allows for efficient torque transfer, speeding up assembly and maintenance processes while minimizing tool slippage.

Specification Summary & Compliance

This shoulder screw features a 10-24 UNC coarse thread with Class 3A thread fit for high precision and strength. Key dimensions include a shoulder diameter of 1/4" (tolerance: -0.001" to 0.001") and shoulder length of 1/4" (tolerance: -0.005" to 0.005"), ensuring consistent performance. It is manufactured in compliance with ASME B18.3 standards and meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, supporting safe and sustainable industrial use.