S-90318A620 6-32 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction, ideal for harsh chemical and marine environments
• Exceptional mechanical strength offering 70,000 psi tensile and 35,000 psi shear strength for high-stress applications
• Precise alignment and stability from the accurately machined shoulder with tight diameter and length tolerances
• Space-saving installation enabled by the ultra-low socket head design, perfect for compact assemblies
• Reliable thread engagement ensured by Class 2A UNC coarse threads for quick assembly and vibration resistance
• Easy installation and removal with the 3/32" hex drive, reducing tool slippage and damage
• Compliance with strict regulations including RoHS 3 and REACH for safe use in global industrial markets

Professional Applications & Engineering Value

This 6-32 UNC shoulder screw is engineered to address critical alignment and stability challenges in precision machinery. The 316 stainless steel material provides excellent resistance to corrosion and oxidation, making it suitable for demanding sectors like chemical processing, marine equipment, and medical devices. Its ultra-low socket head minimizes protrusion in tight spaces, while the precise shoulder fit ensures accurate component positioning, reducing wear and misalignment. With a Rockwell B70 hardness and high tensile strength, it withstands repetitive loads and vibrations in automation systems, robotics, and electronic enclosures, delivering long-term reliability and reduced maintenance costs.

Specification Summary & Compliance

This shoulder screw adheres to UNC thread standards with a Class 2A thread fit for consistent engagement. The shoulder features tight tolerances: diameter -0.001" to 0" and length 0" to 0.002". It meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring it is free from hazardous substances for industrial and international use.