S-91345A714 1/2"-13 x 1 1/4" Fiberglass Flanged Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance in harsh chemical and marine environments, eliminating rust and degradation issues.
• Reliable performance across extreme temperatures from -60°F to 190°F, ensuring stability in fluctuating operational conditions.
• Superior holding power and load distribution with the integrated 1-1/16" flange, reducing the need for separate washers.
• Precise and secure fastening thanks to the Class 2A thread fit and UNC coarse thread, providing easy assembly and vibration resistance.
• Easy installation and removal with the 3/4" external hex head, compatible with standard tools for efficient maintenance.
• Full thread engagement along the 1-1/4" length for maximum grip strength in various material thicknesses.
• Environmentally compliant and safe for regulated industries, meeting RoHS 3 standards for hazardous substance restrictions.

Professional Applications & Engineering Value

This fiberglass hex head screw is engineered to solve critical challenges in corrosive and high-temperature settings. Its fiberglass material provides inherent resistance to chemicals, saltwater, and UV exposure, making it ideal for chemical processing plants, marine equipment, and water treatment facilities. The flanged design enhances stability by distributing clamp load over a wider area, preventing surface damage and loosening under vibration. Combined with a UNC coarse thread and Class 2A fit, it ensures quick, reliable installations in fiberglass composites or other soft materials, reducing downtime and maintenance costs. This screw delivers long-term durability where metal fasteners would fail, supporting efficient operations in demanding industrial applications.

Specification Summary & Compliance

This screw adheres to UNC coarse thread standards with a 1/2"-13 thread size and Class 2A thread fit for consistent dimensional accuracy. It is fully threaded and features a gray fiberglass construction with an external hex drive (3/4" head width) and 1-1/16" flange diameter. The product is manufactured to be RoHS 3 (2015/863/EU) compliant, ensuring it meets strict environmental regulations for hazardous substances.