S-91345A556 1/4"-20 x 1" 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
- Superior corrosion resistance from fiberglass construction eliminates rust and degradation in harsh environments
- Excellent electrical insulation properties prevent current conduction for safer electrical applications
- Wide temperature tolerance (-60° to 190°F) ensures reliable performance across diverse operating conditions
- Easy installation and removal with external hex drive and 7/16" head width for standard wrench compatibility
- Precise thread engagement with Class 2A UNC coarse threads providing secure fastening in various materials
- Full threading along 1" length delivers maximum grip and adjustment flexibility
- Environmental compliance with RoHS 3 standards for responsible manufacturing and usage
Professional Applications & Engineering Value
These fiberglass hex head screws solve critical engineering challenges where metal fasteners fail. The gray fiberglass material provides inherent corrosion resistance without additional coatings, making them ideal for chemical processing, marine, and outdoor applications. Their electrical insulation properties prevent galvanic corrosion and short circuits in electrical enclosures, panel boxes, and utility applications. The 1/4-20 UNC coarse thread design ensures rapid installation and reliable holding power in composite materials, plastics, and soft metals. With temperature resistance from -60° to 190°F, these screws maintain structural integrity in extreme environments where thermal expansion would compromise metal fasteners.
Specification Summary & Compliance
Manufactured to precise dimensional standards with Class 2A thread fit for consistent performance across applications. Features UNC coarse threads (1/4"-20) with fully threaded 1" length and external hex drive (7/16" head width, 13/64" head height). Compliant with RoHS 3 (2015/863/EU) environmental regulations, containing no restricted hazardous substances. Right-hand thread direction ensures standard installation procedures apply across industrial maintenance and manufacturing applications.
