S-96242A581 1/4"-28 x 1 1/2" 12-Point Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with 450 Stainless Steel construction, ideal for harsh industrial environments
• Superior thread engagement and vibration resistance achieved through Class 3A thread fit precision
• High mechanical strength with 170,000 PSI tensile rating and Rockwell C37 hardness for demanding applications
• Secure external 12-point drive system provides reliable torque transmission and prevents tool slippage
• Integrated flange design eliminates need for separate washers, simplifying assembly and reducing parts count
• Optimized load distribution through partial threading design that concentrates threads where needed most
• Fine UNF thread configuration ensures precise adjustments and superior holding power in critical assemblies

Professional Applications & Engineering Value

Engineered for high-performance industrial applications, these 12-point flanged screws deliver exceptional value in critical assembly operations. The 450 Stainless Steel composition provides outstanding corrosion resistance while maintaining 170,000 PSI tensile strength, making these fasteners ideal for machinery, automotive, and aerospace components exposed to demanding conditions. The external 12-point drive system enables high-torque installation without cam-out, while the integral flange distributes clamping force effectively, preventing surface damage and eliminating the need for additional components. The Class 3A UNF fine threads ensure precise fitment and superior vibration resistance in applications where reliability is paramount. This combination of features addresses common engineering challenges including corrosion protection, installation efficiency, and long-term joint integrity.

Specification Summary & Compliance

Manufactured to precise inch system specifications with Class 3A thread fit tolerance for superior engagement. Features 1/4"-28 UNF fine threads with right-hand orientation and partial threading design. Complies with UNF thread standards and manufactured using 450 Stainless Steel meeting industry material specifications. The external 12-point drive conforms to standard tooling requirements for consistent installation performance across industrial applications.