S-92196A342 1/4"-28 x 3 1/2" ASME B18.3 18-8 Stainless Steel Socket Head Screws
18-8 Stainless Steel Socket Head 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 extended service life
- Exceptional tensile strength of 70,000 PSI ensures reliable, high-load fastening for demanding applications
- Precise Class 3A thread fit guarantees tight tolerances and secure, vibration-resistant connections
- Fine UNF threads provide improved adjustment accuracy and superior holding power in fine-pitch applications
- Hex socket drive allows for high-torque installation and removal in confined spaces with standard tools
- Partially threaded design offers optimal clamping force control and prevents thread damage in assemblies
- Full compliance with ASME B18.3, RoHS, and REACH standards ensures quality, safety, and environmental responsibility
Professional Applications & Engineering Value
Engineered for precision machinery, automotive assemblies, and industrial equipment, this 18-8 stainless steel socket head cap screw addresses critical challenges like vibration loosening and material fatigue. Its 1/4"-28 UNF fine thread and Class 3A fit provide superior clamping force and alignment accuracy, reducing the risk of joint failure in high-stress environments. The hex socket drive enables secure fastening in tight spaces, while the partially threaded shank concentrates stress appropriately, enhancing overall assembly integrity. Compliant with ASME B18.3 and environmental regulations, it delivers consistent performance in applications requiring durability, corrosion resistance, and reliable thread engagement.
Specification Summary & Compliance
This screw features a 1/4"-28 UNF fine thread with Class 3A fit for precise dimensional accuracy, a minimum thread length of 1", and a 3 1/2" overall length. It meets ASME B18.3 manufacturing specifications and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) standards, ensuring adherence to strict quality and environmental safety requirements.