S-96242A543 1/4"-20 x 2 1/4" 12-Point Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with 450 Stainless Steel material, ideal for harsh industrial environments
• Superior tensile strength of 170,000 psi ensures reliable performance in heavy-duty applications
• Precise Class 3A thread fit provides tighter tolerances for secure, vibration-resistant fastening
• Integrated flange design eliminates the need for separate washers, simplifying assembly and reducing parts count
• External 12-point drive allows for high-torque installation with standard tools, minimizing slippage
• Rockwell C37 hardness offers excellent wear resistance and durability under repeated use
• Partially threaded shank enhances grip and alignment in materials where full threading isn't required

Professional Applications & Engineering Value

Engineered for demanding industrial settings, this 12-point flanged screw in 450 Stainless Steel addresses common fastening challenges like corrosion, vibration loosening, and high-stress loads. The UNC coarse thread pattern with Class 3A fit ensures quick assembly and superior holding power in metals and composites, while the integrated flange distributes clamping force evenly to prevent surface damage. Ideal for machinery, automotive, and construction applications, it combines high-strength performance with corrosion resistance, reducing maintenance needs and extending service life in aggressive environments.

Specification Summary & Compliance

This screw meets UNC thread standards with a Class 3A thread fit for precision and reliability. It features a 5/16" external 12-point drive, 1/4"-20 coarse thread, and partial threading up to a minimum of 1". Manufactured from 450 Stainless Steel with a hardness of Rockwell C37 and tensile strength of 170,000 psi, it complies with industry specifications for heavy-duty fasteners and is suitable for applications requiring consistent performance under stress.