S-98511A663 1/4"-20 x 1 1/2" Aluminum Socket Head Screws
Aluminum Socket 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 blue-anodized 2024 aluminum construction for extended service life in demanding environments
- Precise Class 3A thread fit ensures reliable engagement and vibration resistance in critical assemblies
- Partially threaded design provides optimal clamping force control while reducing material costs
- 3/16" hex drive compatibility offers secure tool engagement and high torque transmission capability
- UNC coarse threading enables faster installation and reduced cross-threading risks in industrial applications
- RoHS 3 and REACH compliance guarantees environmental responsibility and global regulatory acceptance
- Right-hand thread orientation with standard socket head profile for universal compatibility and familiar installation
Professional Applications & Engineering Value
This blue-anodized 2024 aluminum socket head cap screw delivers exceptional performance in applications where weight reduction, corrosion resistance, and electrical non-conductivity are critical. The Class 3A thread fit provides superior dimensional accuracy for precision machinery, aerospace components, and electronic enclosures where vibration resistance is paramount. The partially threaded design concentrates clamping force precisely where needed, preventing joint loosening while the UNC coarse thread facilitates rapid assembly in production environments. The 3/16" hex drive socket ensures maximum torque transmission without stripping, making these industrial socket screws ideal for maintenance-critical applications requiring repeated disassembly and reassembly.
Specification Summary & Compliance
Manufactured to precise inch system dimensions with 1/4"-20 UNC coarse thread and Class 3A thread fit tolerance. Features standard socket head profile with 3/16" hex drive and right-hand thread direction. The 1½" length provides 1" minimum thread length for secure fastening. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations for industrial use.
