S-96242A663 5/16"-18 x 2 1/2" 12-Point Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with 450 stainless steel construction for long-term reliability in harsh environments
• Superior load-bearing capability with 170,000 psi tensile strength to withstand extreme mechanical stress
• Precise thread engagement through Class 3A thread fit ensuring secure fastening and vibration resistance
• Enhanced torque transmission with external 12-point drive design for superior tool engagement and installation efficiency
• Integrated flange design eliminates need for separate washers while providing superior load distribution
• Optimized for heavy-duty applications with Rockwell C37 hardness balancing strength and ductility
• Reliable coarse UNC threading enables quick assembly and reduced cross-threading risks in industrial settings

Professional Applications & Engineering Value

These 450 stainless steel 12-point screws deliver exceptional performance in demanding industrial applications where corrosion resistance and high tensile strength are critical. The external 12-point drive system provides superior torque transmission compared to standard hex drives, reducing tool slippage and fastener damage during high-torque installations. The partially threaded design with UNC coarse threading ensures optimal clamping force distribution, making them ideal for heavy machinery, structural assemblies, and equipment requiring Class 3A thread precision. The integrated flange eliminates washer requirements while providing enhanced bearing surface, streamlining assembly processes in automotive, construction, and industrial manufacturing applications where reliability and durability are paramount.

Specification Summary & Compliance

Manufactured to precise UNC thread standards with Class 3A thread fit for superior dimensional accuracy and consistent performance. These 12-point screws feature 5/16"-18 coarse threading with right-hand thread direction and partial threading configuration. The 450 stainless steel composition meets industry standards for corrosion resistance and mechanical properties, while the Rockwell C37 hardness and 170,000 psi tensile strength ensure reliable performance under extreme conditions. Compliant with relevant industrial fastener specifications and manufactured to meet quality standards for heavy-duty industrial applications.