S-93190A605 5/16"-18 x 5" ASME B18.2.1 Super-Corrosion-Resistant 316 Stainless Steel Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with 316 stainless steel construction for long-lasting performance in harsh environments
• Superior mechanical strength with 70,000 psi tensile strength and Rockwell B70 hardness for heavy-duty applications
• Reliable fastening performance through fully threaded UNC coarse design providing maximum thread engagement
• Precision threading with Class 2A fit ensuring consistent installation and optimal clamping force
• Easy installation and removal with standard external hex drive design for quick assembly with common tools
• Industry compliance meeting ASME B18.2.1 specifications for dimensional accuracy and reliability
• Environmental responsibility with RoHS 3 and REACH compliance for safe use in regulated industries

Professional Applications & Engineering Value

Engineered for demanding industrial environments, these 316 stainless steel hex head screws deliver exceptional performance where corrosion resistance and mechanical strength are critical. The 5/16"-18 UNC coarse thread configuration provides superior holding power in various materials, while the fully threaded design ensures maximum engagement throughout the entire 5" length. The external hex drive allows for high-torque installation, making these screws ideal for structural applications, heavy machinery, marine equipment, and chemical processing facilities where exposure to corrosive elements is common. With 70,000 psi tensile strength and Rockwell B70 hardness, these fasteners maintain integrity under extreme loads and vibration, reducing maintenance frequency and downtime in industrial operations.

Specification Summary & Compliance

This 5/16"-18 UNC hex head screw features precision Class 2A thread fit with coarse thread spacing for optimal performance. Manufactured to ASME B18.2.1 dimensional standards, ensuring interchangeability and reliability. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, making it suitable for use in regulated industries and international markets. The combination of 316 stainless steel material and precise manufacturing ensures consistent performance across industrial applications.