S-96242A723 5/16"-24 x 2 3/4" 12-Point Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with 450 Stainless Steel construction, ideal for harsh industrial environments
• Superior torque transmission via the external 12-point drive and 3/8" drive size, preventing tool slippage
• High-load bearing capacity with 170,000 PSI tensile strength and Rockwell C37 hardness for demanding applications
• Precision thread engagement with Class 3A fit and UNF fine threading, ensuring vibration resistance and secure fastening
• Enhanced load distribution from the integrated 5/8" flange, reducing surface pressure and material stress
• Optimized thread design with partial threading, allowing for precise clamp load control in critical assemblies
• Reliable right-hand threading for standard installation procedures and compatibility with common UNF nuts

Professional Applications & Engineering Value

This 12-point flanged screw in 450 Stainless Steel addresses critical challenges in heavy machinery, automotive, and aerospace assemblies where vibration resistance and corrosion protection are paramount. The UNF fine threading and Class 3A thread fit provide exceptional clamping force retention under dynamic loads, while the external 12-point drive enables high-torque installation without cam-out risks. The flanged design eliminates the need for separate washers, streamlining installation and distributing stress over a wider area to prevent surface damage. With a 170,000 PSI tensile rating and Rockwell C37 hardness, it ensures long-term reliability in high-stress environments, making it an ideal industrial screw for precision engineering applications requiring consistent performance and durability.

Specification Summary & Compliance

This screw adheres to UNF (Unified National Fine) thread standards with a Class 3A thread fit for precision tolerance, ensuring consistent engagement in inch-system applications. Dimensions include a 5/16"-24 thread size, 2 3/4" length, and 5/8" flange diameter. Manufactured from 450 Stainless Steel, it meets industry requirements for mechanical properties, including Rockwell C37 hardness and 170,000 PSI tensile strength. The product complies with RoHS and REACH environmental directives, supporting use in regulated sectors without hazardous materials.