S-92845A105 4-40 x 1/8" ASME B18.3 Set Screws
Set Screws
Image may differ from product. See technical specification for details.
Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
Key Features & Benefits at a Glance
- Superior corrosion resistance with 18-8 Stainless Steel construction, ensuring long-term reliability in harsh industrial environments.
- Precise, secure fastening thanks to Class 3A thread fit, minimizing the risk of loosening under vibration and load.
- High-strength performance with Rockwell B80 hardness, providing excellent durability and resistance to wear.
- Easy installation and removal with a 0.050" hex drive, allowing for efficient assembly in confined spaces.
- Enhanced grip and alignment from the extended tip design, improving positioning accuracy in precision applications.
- Reliable thread engagement with coarse UNC threads, ensuring quick assembly and strong holding power.
- Compliance with industry standards including ASME B18.3, RoHS 3, and REACH, guaranteeing safety and regulatory adherence.
Professional Applications & Engineering Value
This 4-40 UNC set screw is engineered to address common industrial challenges such as component slippage and corrosion-induced failure. Made from 18-8 Stainless Steel, it offers excellent resistance to rust and chemicals, making it ideal for machinery, electronics, and automotive assemblies exposed to moisture or aggressive conditions. The headless design with a hex drive allows for flush mounting in tight spaces, while the extended tip ensures positive seating on shafts or collars, preventing misalignment. Its Class 3A thread fit and coarse thread spacing provide reliable, vibration-resistant connections, reducing maintenance needs and enhancing operational efficiency in precision engineering applications.
Specification Summary & Compliance
This set screw adheres to Class 3A thread fit for precise dimensional accuracy and features a UNC thread type with a 4-40 thread size and coarse spacing. It complies with ASME B18.3 manufacturing standards and meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material integrity for industrial use.
