S-90969A170 10-24 Shoulder Screws

Key Features & Benefits at a Glance

• Exceptional durability with 140,000 psi tensile strength and Rockwell C30 hardness for reliable performance in high-stress applications
• Superior corrosion resistance provided by black oxide finish, extending service life in demanding industrial environments
• Precise shoulder alignment with Class 3A thread fit ensuring accurate component positioning and reduced assembly time
• Secure installation through 1/8" hex drive and knurled head design preventing tool slippage and ensuring proper torque application
• Space-saving design featuring ultra-low socket head profile for applications with limited clearance requirements
• Enhanced grip from knurled head texture facilitating manual handling and positioning during assembly
• Regulatory compliance with RoHS 3 and REACH standards ensuring environmental safety and global market acceptance

Professional Applications & Engineering Value

This alloy steel shoulder screw delivers critical engineering solutions for precision machinery and industrial equipment where exact shoulder alignment and reliable fastening are paramount. The 10-24 UNC coarse thread with Class 3A fit provides exceptional dimensional accuracy for applications requiring precise component spacing and alignment in assemblies such as rotating mechanisms, bearing mounts, and precision guides. The black oxide finish offers superior corrosion protection in environments where moisture or chemical exposure is a concern, while the ultra-low socket head profile and knurled texture enable efficient installation in confined spaces. With 140,000 psi tensile strength, this shoulder screw maintains structural integrity under significant mechanical loads, making it ideal for automotive, aerospace, and industrial manufacturing applications where failure is not an option.

Specification Summary & Compliance

This precision shoulder screw features Class 3A thread fit with UNC coarse thread spacing, ensuring tight tolerances and reliable engagement. Manufacturing adheres to strict dimensional specifications including shoulder diameter tolerance of -0.004" to -0.002" and shoulder length tolerance of -0.005" to 0.005". The product is fully RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting international environmental and safety standards for industrial components.