S-96242A671 5/16"-18 x 2 3/4" 12-Point Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 450 stainless steel construction, ideal for harsh industrial environments
• Exceptional tensile strength of 170,000 PSI for reliable performance in high-stress applications
• Precision Class 3A thread fit ensures secure, vibration-resistant fastening with minimal play
• External 12-point drive design provides enhanced torque transmission and tool engagement
• Integrated flange feature eliminates the need for separate washers, simplifying installation
• Rockwell C37 hardness rating delivers excellent wear resistance and long-term durability
• Coarse UNC threading enables quick installation and superior holding power in various materials

Professional Applications & Engineering Value

These 450 stainless steel 12-point screws are engineered to address critical fastening challenges in demanding industrial applications. The combination of high tensile strength and corrosion-resistant properties makes them ideal for machinery assembly, structural frameworks, and equipment exposed to corrosive environments. The external 12-point drive and 3/8" drive size provide superior torque capability, reducing the risk of tool slippage during installation. With Class 3A thread fit and partial threading, these flanged screws ensure precise alignment and distribute clamping force effectively, solving common issues of joint loosening and material fatigue in heavy-duty applications.

Specification Summary & Compliance

This 5/16"-18 UNC screw features Class 3A thread fit for precision tolerance, right-hand coarse threading, and 2 3/4" length with minimum thread length of 1". Manufactured to applicable industrial standards including ASME/ANSI specifications and compliant with RoHS and REACH environmental directives for safe industrial use.