S-91249A648 5/16"-18 x 1 3/4" ASME B18.6.3 Stainless Steel Pan Head Phillips Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with Black-Oxide 18-8 Stainless Steel construction, ideal for harsh industrial environments
• High tensile strength of 70,000 psi ensures reliable performance under heavy loads and vibrations
• Class 2A thread fit provides smooth assembly and consistent engagement with standard nuts
• Fully threaded UNC coarse design delivers maximum grip and faster installation in various materials
• Pan head with Phillips No. 4 drive offers a low-profile, secure fastening solution with common tool compatibility
• Compliance with ASME B18.6.3 guarantees dimensional accuracy and interchangeability
• RoHS 3 and REACH compliant for safe use in regulated industries and global markets

Professional Applications & Engineering Value

Engineered for demanding industrial applications, this 5/16"-18 UNC fully threaded screw combines Black-Oxide 18-8 Stainless Steel with a coarse thread design to prevent seizing and resist corrosion in moisture-rich or chemical-exposed environments. The pan head with Phillips drive ensures low-profile, reliable fastening in machinery, automotive assemblies, and electrical enclosures, reducing the risk of strip-out during high-torque installation. Its 70,000 psi tensile strength and Class 2A thread fit provide secure, vibration-resistant connections, minimizing maintenance needs in heavy-duty operations while adhering to ASME B18.6.3 standards for precision and reliability.

Specification Summary & Compliance

This screw features a 5/16"-18 UNC coarse thread with Class 2A fit for standard tolerance and easy assembly. It is manufactured in compliance with ASME B18.6.3 for dimensional consistency and meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material restrictions adherence.