S-99468A162 5/16"-18 x 1" ASME B18.6.3 Aluminum Slotted Flat Head Screws
Aluminum Slotted Flat 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
- Enhanced durability and lightweight performance with 2024 Aluminum construction, ideal for applications requiring strength without added weight
- Superior load-bearing capability thanks to 50,000 psi tensile strength and Rockwell B55 hardness, ensuring reliable performance under stress
- Secure and flush mounting with an 82° countersink angle and standard flat head profile, reducing protrusion and improving aesthetics
- Easy installation and removal using a slotted drive style, compatible with common tools for efficient assembly
- Consistent thread engagement with UNC coarse threads and Class 2A fit, minimizing cross-threading and ensuring precise fastening
- Full thread coverage along the 1" length for maximum grip and vibration resistance in dynamic environments
- Compliance with industry standards including ASME B18.6.3, RoHS 3, and REACH, ensuring safety and environmental responsibility
Professional Applications & Engineering Value
This 5/16"-18 UNC flat head slotted screw is engineered to address common industrial challenges, such as weight reduction and corrosion resistance in demanding settings. Made from 2024 Aluminum, it offers an excellent strength-to-weight ratio, making it ideal for aerospace, automotive, and machinery assemblies where every gram counts. The fully threaded design and coarse thread spacing provide superior holding power, reducing the risk of loosening under vibration. With an 82° countersink angle, it ensures a smooth, flush finish that enhances structural integrity and prevents snagging. Compliant with ASME B18.6.3 and environmental regulations, this screw delivers reliable performance in industrial applications while meeting strict quality and safety standards.
Specification Summary & Compliance
This screw adheres to precise dimensional tolerances, including a Class 2A thread fit for consistent assembly and UNC coarse threads in the inch system. It meets ASME B18.6.3 specifications for flat head screws and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and suitable for global industrial use.
