S-90669A189 8-32 x 3/16" ASME B18.3 Set Screws
Set 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 18-8 stainless steel construction, ideal for harsh industrial environments.
- Enhanced surface protection through the integrated brass soft tip, preventing damage to mating components.
- Maximum holding power and vibration resistance ensured by the precise Class 3A thread fit.
- High-strength durability with a Rockwell B80 hardness, providing reliable long-term performance.
- Easy and secure installation using a standard 5/64" hex drive, allowing for high torque application.
- Wide compatibility with UNC coarse threading, suitable for various industrial assemblies.
- Guaranteed reliability by meeting ASME B18.3 standards and environmental regulations like RoHS 3 and REACH.
Professional Applications & Engineering Value
This 8-32 UNC set screw is engineered to address critical challenges in precision assembly and motion control systems. The 18-8 stainless steel material offers excellent resistance to rust and corrosion, making it suitable for applications in machinery, automotive, and electronics where environmental factors are a concern. The hex headless design allows for flush mounting in tight spaces, while the brass soft tip provides a secure grip without marring sensitive surfaces on shafts, collars, or pulleys. Its Class 3A thread fit and coarse thread spacing ensure a tight, reliable hold that resists loosening under vibration, enhancing the longevity and safety of the assembly. This makes it an ideal choice for engineers seeking a dependable set screw that combines high strength with surface-friendly engagement.
Specification Summary & Compliance
This set screw adheres to Class 3A thread fit for high precision and features a UNC (Unified National Coarse) thread type with an 8-32 thread size. It is manufactured in compliance with the ASME B18.3 standard, ensuring dimensional accuracy and performance reliability. Additionally, the product is confirmed to be RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting stringent environmental and safety regulations for industrial use.
