S-97646A313 1/4"-28 x 1/2" 18-8 Stainless Steel Serrated-Flange Hex Head Screws
18-8 Stainless Steel Serrated-Flange Hex Head 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 environments and reducing maintenance costs.
- High tensile strength of 100,000 psi ensures reliable performance under heavy loads and vibration, minimizing failure risks.
- Secure anti-loosening hold from serrated locking features, providing enhanced stability in dynamic applications.
- Precise Class 2A thread fit with UNF fine threads for smooth assembly and consistent clamping force.
- Integrated flange design distributes load evenly, eliminating the need for separate washers and speeding up installation.
- External hex drive allows for easy installation and removal with standard tools, improving workflow efficiency.
- Full compliance with RoHS 3 and REACH regulations ensures environmental safety and meets global industrial standards.
Professional Applications & Engineering Value
This 1/4"-28 UNF hex head screw is engineered to address common industrial challenges such as vibration-induced loosening and corrosion in demanding settings. Crafted from 18-8 stainless steel, it offers excellent resistance to rust and chemicals, making it suitable for machinery, automotive assemblies, and outdoor equipment. The fine UNF threads and Class 2A fit provide tight tolerances for precise fastening, while the serrated locking and flange enhance grip and load distribution. With a Rockwell B100 hardness and 100,000 psi tensile strength, it delivers long-term durability in high-stress applications, reducing downtime and replacement frequency.
Specification Summary & Compliance
This screw features a 1/4"-28 UNF thread with Class 2A fit for accurate threading and assembly. It is fully threaded, with a length of 1/2", head width of 3/8", and flange diameter of 9/16". Manufactured to high standards, it complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental and safety adherence for industrial use.
