S-96242A558 1/4"-20 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 ensures reliable performance under heavy loads
• Precise Class 3A thread fit guarantees secure fastening and vibration resistance in critical assemblies
• Flanged design provides built-in washer functionality for increased load distribution and surface protection
• External 12-point drive allows for high-torque installation with standard industrial tools
• Rockwell C37 hardness maintains thread integrity and prevents stripping during repeated use
• Coarse UNC threading enables quick installation and superior holding power in various materials

Professional Applications & Engineering Value

Engineered for demanding industrial applications, these 12-point screws combine the corrosion-resistant properties of 450 Stainless Steel with precision Class 3A thread fit to solve common assembly challenges. The partially threaded design provides optimal clamping force where needed while the flanged feature eliminates the need for separate washers, reducing component count and installation time. The external 12-point drive accommodates high torque requirements in confined spaces, making these fasteners ideal for heavy machinery, structural frameworks, and equipment requiring corrosion-resistant solutions. With 170,000 psi tensile strength, they maintain integrity in high-stress applications while the coarse UNC threading ensures reliable performance in softer materials and vibration-prone environments.

Specification Summary & Compliance

These 1/4"-20 UNC screws feature Class 3A thread fit for precision tolerance, 5/16" external 12-point drive, and 2 3/4" length with 1" minimum thread length. Manufactured to UNC coarse thread standards with right-hand threading and Rockwell C37 hardness. The 450 Stainless Steel construction complies with industry standards for corrosion resistance and mechanical properties, suitable for various industrial applications requiring reliable fastening solutions.