S-92311A281 4-48 x 1" 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, ideal for harsh environments and long-term reliability.
- Exceptional holding power provided by the cup point tip, which bites into shafts and components to prevent loosening under vibration.
- Precise Class 3A thread fit ensures tight, secure fastening with minimal backlash for high-precision assemblies.
- Space-saving headless hex design with a 0.050" drive allows for installation in confined spaces using standard hex keys.
- Enhanced durability from Rockwell B80 hardness, offering excellent resistance to wear and deformation.
- Reliable fine UNF threading (4-48) delivers more threads per inch for a stronger, more secure grip in materials.
- Broad compliance with ASME B18.3, RoHS 3, and REACH, ensuring safety and regulatory acceptance for global industrial use.
Professional Applications & Engineering Value
This 4-48 UNF set screw is engineered to address critical challenges in precision machinery and industrial equipment. The 18-8 Stainless Steel material provides excellent resistance to rust and corrosion, making it suitable for applications in humid or chemically aggressive environments, such as medical devices, automotive components, and electronic enclosures. The headless hex design with a 0.050" drive allows for easy installation in tight spaces, while the cup point tip ensures maximum grip on shafts, pulleys, and gears, preventing slippage and maintaining alignment under dynamic loads. With fine thread spacing and a Class 3A thread fit, it offers superior clamping force and vibration resistance, reducing maintenance needs and enhancing operational safety in industrial set screws applications.
Specification Summary & Compliance
This set screw features a 4-48 UNF thread with Class 3A thread fit for high precision and tight tolerances. It complies with ASME B18.3 manufacturing standards, ensuring consistent quality and performance. Additionally, it meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming it is free from hazardous substances and safe for various industrial uses.
