S-96242A551 1/4"-20 x 2 1/2" 12-Point Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with 450 stainless steel construction for long-lasting performance in harsh environments
• Superior thread engagement with Class 3A thread fit ensuring precise, secure fastening in critical applications
• High tensile strength rating of 170,000 psi provides reliable performance under extreme mechanical stress
• Enhanced installation efficiency with external 12-point drive and 5/16" drive size for secure tool engagement
• Integrated vibration resistance through flanged design that distributes load and prevents loosening
• Optimized for coarse threading applications with UNC 1/4"-20 thread pattern for quick assembly in various materials
• Durable material hardness at Rockwell C37 ensures maintained integrity through repeated use and high-torque applications

Professional Applications & Engineering Value

This 12-point flanged screw delivers exceptional engineering value through its 450 stainless steel composition and Class 3A thread fit, specifically designed to address common industrial fastening challenges. The UNC coarse threading (1/4"-20) provides superior holding power in softer materials and allows for rapid assembly in production environments. The integrated flange eliminates the need for separate washers while providing enhanced bearing surface and vibration resistance critical in machinery, automotive, and heavy equipment applications. The external 12-point drive system ensures maximum torque transmission without stripping, making it ideal for high-stress applications where reliability is paramount. With partial threading and right-hand orientation, this fastener offers precise clamping force control in structural assemblies and mechanical systems requiring repeated maintenance access.

Specification Summary & Compliance

Manufactured to precise dimensional standards with Class 3A thread fit tolerance for superior thread engagement. Features UNC coarse threading (1/4"-20) with right-hand direction and partial threading configuration. Complies with industry-standard specifications for 12-point fasteners and meets material requirements for 450 stainless steel applications. The product conforms to relevant industrial standards for mechanical properties including 170,000 psi tensile strength and Rockwell C37 hardness ratings, ensuring consistent performance in demanding engineering applications.