S-8077A221 6-32 Shoulder Screws
Shoulder Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
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Key Features & Benefits at a Glance
- Superior corrosion resistance with 316 stainless steel construction, ideal for harsh industrial environments and outdoor applications.
- Enhanced durability and wear resistance from the black oxide finish, providing long-lasting performance and a sleek appearance.
- High load-bearing capacity with 70,000 psi tensile strength and 35,000 psi shear strength, ensuring reliable performance under stress.
- Precise and secure fastening thanks to the Class 3A thread fit and UNC coarse threading, reducing the risk of loosening in high-vibration settings.
- Easy installation and removal with a hex drive socket head and knurled texture, offering a firm grip and reducing tool slippage.
- Accurate alignment and spacing provided by the standard shoulder fit, minimizing component misalignment in assemblies.
- Compliance with environmental standards including RoHS 3 and REACH, ensuring safe and sustainable use in regulated industries.
Professional Applications & Engineering Value
This 316 stainless steel shoulder screw is engineered to address common industrial challenges such as corrosion, vibration loosening, and misalignment. The black oxide finish enhances surface hardness and reduces friction, making it suitable for automotive, machinery, and marine applications where exposure to moisture and chemicals is frequent. Its UNC coarse thread and Class 3A fit ensure tight, reliable connections in high-stress environments, while the knurled head and hex drive facilitate quick assembly and maintenance. Ideal for precision equipment, this screw provides consistent performance in heavy-duty shoulder screw applications, reducing downtime and maintenance costs.
Specification Summary & Compliance
This shoulder screw adheres to UNC thread standards with a Class 3A thread fit for precise dimensional accuracy. Key specifications include a shoulder diameter tolerance of -0.004" to -0.002" and shoulder length tolerance of -0.005" to 0.005". It is manufactured to meet RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring it is free from hazardous substances and suitable for global industrial use.
