S-90324A082 10-24 Shoulder Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments.
• Precise alignment and reduced wear due to the Class 3A thread fit and standard shoulder fit, ensuring reliable assembly.
• High mechanical strength with 70,000 psi tensile strength and Rockwell B55 hardness for demanding applications.
• Secure left-hand threading prevents loosening in rotating machinery where standard right-hand threads may fail.
• Easy installation and removal with a 1/8" hex socket drive and knurled head for improved grip.
• Compliance with global safety standards, including RoHS 3 and REACH, for use in regulated industries.
• Durable coarse UNC threads provide robust engagement and resistance to stripping.

Professional Applications & Engineering Value

This left-hand thread shoulder screw is engineered to address critical challenges in precision machinery, such as counter-rotational forces in motors and conveyor systems. The 18-8 Stainless Steel material offers excellent resistance to rust and chemicals, extending service life in demanding conditions. With a Class 3A thread fit and 3/8" shoulder length, it ensures accurate component positioning and reduces vibration-induced failures. The knurled head and hex socket drive facilitate quick assembly in tight spaces, making it a reliable choice for industrial automation, aerospace, and automotive applications where high-strength and thread security are paramount.

Specification Summary & Compliance

This shoulder screw adheres to UNC coarse thread standards with a Class 3A thread fit for tight tolerances. The shoulder diameter tolerance is -0.004" to -0.002", and shoulder length tolerance is -0.005" to 0.005", ensuring precision in assembly. It is manufactured to meet RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, supporting safe and environmentally conscious industrial use.