S-97646A115 1/4"-20 x 1" 18-8 Stainless Steel Serrated-Flange Hex Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction for long-lasting performance in harsh industrial environments
• Exceptional mechanical strength with 100,000 psi tensile strength and Rockwell B100 hardness for heavy-duty applications
• Secure anti-loosening performance through serrated locking design that prevents vibration-induced loosening
• Enhanced load distribution with integrated flange that eliminates the need for separate washers
• Precise thread engagement with UNC coarse Class 2A threads ensuring reliable installation and compatibility
• Optimized torque transmission through external hex drive design for efficient installation with standard tools
• Full regulatory compliance meeting RoHS 3 and REACH standards for global industrial applications

Professional Applications & Engineering Value

This 18-8 stainless steel hex head screw delivers exceptional engineering value across demanding industrial applications where corrosion resistance and mechanical reliability are paramount. The combination of 100,000 psi tensile strength and Rockwell B100 hardness ensures structural integrity in heavy machinery, manufacturing equipment, and outdoor installations. The UNC coarse threading with Class 2A fit provides rapid assembly while maintaining precise thread engagement, significantly reducing installation time in production environments. The integrated flange design distributes clamping force effectively, preventing surface damage and eliminating the need for additional washers. With serrated locking features beneath the head, this fastener maintains secure connections in high-vibration applications such as automotive assemblies, conveyor systems, and industrial machinery, ensuring operational safety and reducing maintenance requirements.

Specification Summary & Compliance

This 1/4"-20 x 1" hex head screw features precise UNC coarse thread spacing with Class 2A thread fit per industry standards, ensuring reliable compatibility with mating components. The fastener is manufactured from 18-8 stainless steel with full threading and meets rigorous quality standards. Compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming environmental safety and material restrictions adherence for global industrial applications.