S-99926A158 3/8"-16 x 1 3/4" Stainless Steel Hex Drive Flat Head Screws
Stainless Steel Hex Drive Flat 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 18-8 stainless steel and passivated finish for long-lasting performance in harsh environments.
- High tensile strength of 70,000 psi ensures reliable load-bearing capacity and durability in demanding applications.
- Precise Class 3A thread fit provides secure, vibration-resistant connections with minimal risk of loosening.
- Undercut flat head design allows for flush mounting and reduced risk of surface damage during installation.
- Hex drive compatibility with 7/32" drive size enables easy, high-torque installation using standard tools.
- Compliance with RoHS 3 and REACH regulations ensures environmental safety and meets international standards for industrial use.
- 100° countersink angle offers optimal seating in tapered holes for a clean, professional finish.
Professional Applications & Engineering Value
These 3/8"-16 UNC flat head screws are engineered to address common industrial challenges such as vibration-induced loosening and corrosion in machinery, automotive, and structural assemblies. The 18-8 stainless steel material, combined with a passivated finish, provides exceptional resistance to rust and chemicals, extending service life in humid or corrosive settings. The coarse threading and Class 3A thread fit ensure quick, secure fastening with high repeatability, reducing assembly time and maintenance costs. Ideal for applications requiring flush mounting with an undercut flat head profile, these screws deliver reliable performance in equipment where space constraints and aesthetic finishes are critical.
Specification Summary & Compliance
This screw features a 3/8"-16 UNC coarse thread with Class 3A thread fit for precise dimensional accuracy, a partially threaded design with a minimum thread length of 1.55", and a 100° countersink angle. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring adherence to environmental and safety standards for industrial fasteners.
