S-94288A112 1/4"-20 x 1/2" Extreme-Strength Stainless Steel Flanged Hex Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance thanks to 18-8 stainless steel construction, ideal for harsh environments and extended service life.
• Exceptional tensile strength rated at 170,000 psi ensures reliable performance under high-stress and heavy-duty applications.
• Enhanced durability and wear resistance from Rockwell C38 hardness, reducing the risk of stripping or deformation during installation.
• Flanged head design provides a larger bearing surface, distributing load evenly and eliminating the need for a separate washer.
• Precise Class 2A thread fit with UNC coarse threading ensures easy, fast assembly and reliable engagement in various materials.
• External hex drive allows for high-torque installation using standard tools, speeding up assembly in industrial settings.
• Fully threaded shank offers consistent holding power along the entire length, improving fastener integrity in demanding setups.

Professional Applications & Engineering Value

Engineered for demanding industrial environments, this 18-8 stainless steel hex head screw combines high tensile strength and corrosion resistance to address common failure points in machinery, construction, and outdoor equipment. The flange design increases stability and load distribution, reducing stress concentrations and preventing loosening under vibration. With UNC coarse threads and a Class 2A fit, it ensures quick, secure fastening in metals, plastics, and composite materials, minimizing assembly time while maintaining precision. Ideal for applications requiring durable, corrosion-resistant fasteners—such as automotive assemblies, electrical enclosures, and structural frameworks—this screw delivers long-term reliability and reduced maintenance costs.

Specification Summary & Compliance

This screw adheres to UNC coarse thread standards with a Class 2A thread fit for consistent dimensional accuracy. It meets industry specifications for 18-8 stainless steel material properties, including hardness and tensile strength. Compliant with RoHS and REACH environmental directives, it is suitable for use in regulated sectors. Manufactured to precise tolerances, the 1/4"-20 thread size and 1/2" length ensure compatibility with standard components and assembly requirements.