S-90201A342 3/8"-16 x 5" Extreme-Strength Grade 9 Steel Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional load-bearing capacity with 180,000 psi tensile strength for reliable performance in heavy-duty applications
• Superior corrosion resistance provided by zinc yellow-chromate plating, extending service life in harsh industrial environments
• Optimized torque transmission through external hex drive design for secure installation and removal
• Enhanced durability with Rockwell C38 hardness rating, resisting deformation under extreme pressure
• Precision thread engagement with Class 2A UNC coarse threads ensuring consistent fastening performance
• Versatile partial threading allowing for both clamping and alignment functions in structural assemblies
• Compliance with environmental regulations including RoHS 3 and REACH for global industrial applications

Professional Applications & Engineering Value

These Grade 9 hex head screws deliver critical engineering solutions for industrial applications requiring high-strength fastening. The steel construction combined with zinc yellow-chromate plating provides exceptional protection against corrosion in demanding environments such as construction equipment, machinery frames, and structural steel connections. The 3/8"-16 UNC coarse thread design ensures rapid installation and reliable performance in vibration-prone applications, while the partial threading allows for precise clamping force distribution. These heavy-duty fasteners solve common industrial challenges including joint integrity maintenance under dynamic loads and long-term corrosion protection requirements, making them ideal for OEM manufacturing and maintenance applications where failure is not an option.

Specification Summary & Compliance

This 5" length hex head screw features precision Class 2A thread fit with 3/8"-16 UNC coarse thread specifications, manufactured to exacting dimensional standards. The fastener meets Grade 9 strength classification with verified 180,000 psi tensile strength and Rockwell C38 hardness. Compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring suitability for global industrial markets requiring restricted substance compliance.