S-91345A648 5/8"-11 x 3 1/2" Fiberglass Hex Head Screws
Fiberglass 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
- Exceptional corrosion resistance due to high-quality fiberglass construction, ideal for harsh industrial environments
- Reliable performance across extreme temperatures from -60°F to 190°F, maintaining integrity in fluctuating conditions
- Superior torque application with external hex drive and 15/16" head width for secure, high-tension fastening
- Easy installation and removal with standard UNC coarse threads and right-hand threading for efficient assembly
- Precise thread engagement ensured by Class 2A thread fit, reducing cross-threading risks
- Full-length threading provides consistent holding power along the entire 3 1/2" length
- Environmentally compliant with RoHS 3 standards, meeting strict regulatory requirements
Professional Applications & Engineering Value
These fiberglass hex head screws deliver critical advantages in demanding applications where metal fasteners fail. The gray fiberglass material inherently resists corrosion, eliminating galvanic issues in chemical processing, marine, and wastewater treatment facilities. With a 5/8"-11 UNC coarse thread and Class 2A thread fit, they provide rapid installation in composite structures while maintaining vibration resistance. The external hex drive accommodates high torque requirements in assembly line applications, and their fully threaded design ensures uniform stress distribution. Operating reliably from -60°F to 190°F, these screws are engineered for HVAC systems, electrical enclosures, and transportation equipment where thermal stability is paramount.
Specification Summary & Compliance
This 5/8"-11 UNC hex head screw features precise Class 2A thread fit per Unified Thread Standard specifications, ensuring consistent dimensional accuracy. The coarse thread spacing and right-hand thread direction comply with industrial fastening standards. Manufacturing adheres to RoHS 3 (2015/863/EU) compliance, guaranteeing environmental safety with restricted substance limits. The 3 1/2" length and fully threaded construction provide reliable performance in engineered applications requiring corrosion-resistant fastening solutions.
