S-92800A214 5/16"-18 x 8 1/2" 18-8 Stainless Steel Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance from 18-8 stainless steel construction, ideal for harsh industrial environments
• High tensile strength of 80,000 psi ensures reliable performance under heavy loads and stress conditions
• Rockwell B70 hardness provides superior durability and wear resistance for long service life
• Class 2A thread fit offers optimal assembly clearance while maintaining secure fastening integrity
• UNC coarse threading enables quicker installation and reduced cross-threading risks in demanding applications
• External hex drive design allows for high torque application with standard tools
• Partial threading configuration provides enhanced grip strength in specific joint requirements

Professional Applications & Engineering Value

This 18-8 stainless steel hex head screw delivers critical engineering advantages in demanding industrial settings where corrosion resistance and structural integrity are paramount. The combination of 80,000 psi tensile strength and Rockwell B70 hardness ensures reliable performance in heavy machinery, structural frameworks, and marine applications where environmental factors challenge fastener durability. The UNC coarse thread design with Class 2A fit provides excellent engagement in various materials while the external hex drive accommodates high-torque installation tools. The partial threading configuration offers precise clamping force control, making it ideal for applications requiring specific unthreaded shank sections for enhanced shear strength.

Specification Summary & Compliance

Manufactured to precise inch system dimensions with Class 2A thread fit tolerance per UNC standards. Features 5/16"-18 UNC coarse threading with right-hand orientation and 8 1/2" length with minimum thread length of 1 1/8". Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across various industrial sectors.