S-92311A320 1/4"-20 x 2 3/4" 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 ensured by the cup point tip design, which bites into surfaces to prevent component slippage.
- High-strength performance with Rockwell B80 hardness, providing excellent durability and resistance to wear.
- Precise, secure fastening from the UNC coarse thread and Class 3A fit, offering tighter tolerances for vibration resistance.
- Easy installation and removal using the 1/8" hex drive, allowing for efficient assembly in confined spaces.
- Reliable industrial compliance meeting ASME B18.3 standards, ensuring consistent quality and interchangeability.
- Environmentally safe usage with RoHS 3 and REACH compliance, supporting sustainable manufacturing practices.
Professional Applications & Engineering Value
This hex headless set screw is engineered to address critical challenges in industrial assembly, such as maintaining permanent alignment and preventing rotational movement in machinery components. The 18-8 stainless steel material offers excellent resistance to rust and corrosion, making it suitable for applications in moist or chemically aggressive environments, including automotive, aerospace, and manufacturing equipment. The UNC coarse threading and Class 3A thread fit provide superior grip and vibration resistance, reducing the risk of loosening under dynamic loads. Its headless design with a 1/8" hex drive allows for flush mounting in tight spaces, ensuring a clean profile and enhanced safety. Ideal for securing gears, pulleys, and collars, this set screw delivers reliable performance where precision and durability are paramount.
Specification Summary & Compliance
This set screw features a 1/4"-20 UNC coarse thread with a Class 3A thread fit for high precision and tight tolerances. It complies with ASME B18.3 specifications, ensuring consistent manufacturing quality. The product is also RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, adhering to environmental and safety regulations for industrial use.