S-98130A640 3/8"-16 x 3" Pentagon Head Screws
Pentagon 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 with 18-8 Stainless Steel construction, ideal for harsh environments and long-term reliability.
- Superior mechanical strength with 70,000 psi tensile strength and Rockwell B70 hardness, preventing stripping and failure under high stress.
- Tamper-resistant external pentagon drive (13/16" size) and pentagon head design enhance security in public or high-theft-risk applications.
- Reliable and quick installation thanks to fully threaded 3/8"-16 UNC coarse spacing and Class 2A thread fit for consistent engagement.
- Broad industrial compatibility with right-hand thread direction and 3-inch length, suitable for a wide range of assembly and machinery uses.
- Compliance with strict environmental regulations including RoHS 3 and REACH, ensuring safe use in regulated industries.
Professional Applications & Engineering Value
This 3/8"-16 UNC pentagon head screw in 18-8 Stainless Steel is engineered to address critical industrial challenges, such as tampering and corrosion. The external pentagon drive and pentagon head provide a secure, tamper-resistant fastening solution, making it ideal for public infrastructure, transportation, and machinery where unauthorized access is a concern. Its fully threaded coarse spacing ensures rapid, deep engagement in various materials, reducing installation time while maintaining a strong hold. With a tensile strength of 70,000 psi and high hardness, it withstands heavy loads and vibrations, minimizing maintenance in demanding applications like construction, manufacturing, and outdoor equipment. The corrosion-resistant material further extends service life, reducing replacement costs and downtime.
Specification Summary & Compliance
This screw features precise Class 2A thread fit for consistent performance, with UNC coarse thread spacing and a 3/8"-16 thread size. It is manufactured to standard inch measurements, including a 3-inch length, and complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and suitability for industrial use.
