S-90276A636 3/8"-16 x 3" ASME B18.6.3 Steel Round Head Slotted Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc-plated steel construction for extended service life in harsh environments
• High tensile strength of 60,000 psi ensures reliable performance in demanding heavy-duty applications
• Class 2A thread fit provides consistent, reliable engagement while maintaining easy assembly
• Rockwell B69 hardness delivers excellent durability and resistance to wear during installation and use
• Slotted drive design offers compatibility with standard tools for straightforward installation
• Partially threaded configuration allows for precise clamping force control in various assembly scenarios
• Coarse UNC threading enables faster installation and better performance in softer materials

Professional Applications & Engineering Value

Engineered for industrial applications requiring reliable fastening solutions, these 3/8"-16 UNC zinc-plated steel screws address critical assembly challenges. The zinc-plated surface treatment provides essential corrosion protection, making them ideal for outdoor equipment, machinery, and structural applications where environmental exposure is a concern. The rounded head design with slotted drive combines aesthetic appeal with practical installation, while the partial threading allows for precise joint compression control. With coarse thread spacing and Class 2A thread fit, these fasteners deliver superior performance in wood, plastic, and soft metal applications, reducing installation time while maintaining joint integrity. The combination of 60,000 psi tensile strength and Rockwell B69 hardness ensures these screws withstand vibration, shock loads, and repeated stress cycles in demanding industrial environments.

Specification Summary & Compliance

This 3/8"-16 UNC screw features precise Class 2A thread fit tolerances and coarse thread spacing for reliable performance. Manufactured to exacting ASME B18.6.3 standards, these fasteners ensure consistent quality and dimensional accuracy. The product is fully RoHS 3 (2015/863/EU) compliant and meets REACH (EC 1907/2006) requirements, demonstrating environmental responsibility and regulatory adherence. With a total length of 3 inches and minimum thread length of 1-1/2 inches, these screws maintain strict dimensional control while delivering the mechanical properties specified for industrial fastener applications.