S-96242A828 3/8"-24 x 2 3/4" 12-Point Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 450 Stainless Steel construction for long-lasting performance in harsh industrial environments
• Exceptional torque transmission through external 12-point drive design, preventing tool slippage during high-torque applications
• Precision thread engagement with Class 3A thread fit ensuring reliable, vibration-resistant connections in critical assemblies
• Enhanced load distribution from the integrated flange, reducing surface pressure and preventing material damage
• High mechanical strength with 170,000 psi tensile strength and Rockwell C37 hardness for demanding heavy-duty applications
• Optimized partial threading allowing precise clamping force control while maintaining unthreaded shaft strength
• Fine thread configuration (3/8"-24 UNF) providing superior resistance to loosening under vibration and thermal cycling

Professional Applications & Engineering Value

This 12-point flange screw in 450 Stainless Steel addresses critical engineering challenges in heavy machinery, automotive, and aerospace applications where vibration resistance and corrosion protection are paramount. The external 12-point drive system delivers maximum torque transmission without cam-out, while the Class 3A thread fit ensures precise engagement in high-vibration environments. The integrated flange design eliminates the need for separate washers, streamlining assembly while providing superior load distribution. With 170,000 psi tensile strength and Rockwell C37 hardness, this partially threaded fastener maintains structural integrity under extreme mechanical stress, making it ideal for critical bolting applications requiring reliable, maintenance-free performance.

Specification Summary & Compliance

This precision 12-point screw features 3/8"-24 UNF fine threads with Class 3A thread fit per ASME B1.1 standards, ensuring exceptional dimensional accuracy and interchangeability. The partially threaded design with 1-1/8" minimum thread length provides optimal clamping performance. Manufactured from 450 Stainless Steel with Rockwell C37 hardness and 170,000 psi tensile strength, this fastener meets industrial requirements for high-strength applications. Compliant with RoHS and REACH environmental standards, this inch-system fastener delivers reliable performance in regulated industrial environments.