S-90696A236 9/16"-12 x 4" ASME B18.3 18-8 Stainless Steel Socket Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance from 18-8 stainless steel construction, ideal for harsh industrial environments and outdoor applications
• Exceptional strength and durability with 70,000 psi tensile strength and Rockwell B70 hardness for heavy-duty fastening requirements
• Precise thread engagement with Class 3A fit UNC coarse threads ensuring reliable, vibration-resistant connections
• Optimized drive performance featuring a standard hex socket head with 7/16" drive for secure tool engagement and high torque application
• Versatile partial threading design allowing for both clamping and alignment functions in complex assemblies
• Regulatory compliance assurance meeting ASME B18.3 specifications for dimensional accuracy and performance standards
• Environmental responsibility with RoHS 3 and REACH compliance, free from restricted hazardous substances

Professional Applications & Engineering Value

This 18-8 stainless steel socket head cap screw delivers critical engineering solutions where corrosion resistance and structural integrity are paramount. The 9/16"-12 UNC coarse thread configuration with Class 3A fit provides superior thread engagement in demanding applications, reducing the risk of vibration-induced loosening in machinery, automotive assemblies, and structural frameworks. The partially threaded design offers dual functionality - the unthreaded shoulder provides precise alignment in precision equipment while the threaded portion ensures secure fastening. With 70,000 psi tensile strength and Rockwell B70 hardness, these socket head cap screws maintain clamping force under extreme loads, making them ideal for heavy machinery, manufacturing equipment, and construction applications where reliability cannot be compromised.

Specification Summary & Compliance

This socket head cap screw features precision 9/16"-12 UNC coarse threads with Class 3A thread fit for exceptional dimensional accuracy and consistent performance. Manufactured to ASME B18.3 specifications, ensuring standardized dimensions and mechanical properties. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming environmental responsibility and safety standards. With a minimum thread length of 1-1/2" on a 4" overall length and standard socket head profile, this fastener delivers reliable performance in industrial applications requiring high-strength, corrosion-resistant fastening solutions.