S-90283A853 3/8"-16 x 3/4" ASME B18.6.3 Steel Pan Head Slotted Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc-plated steel construction, extending service life in harsh industrial environments.
• High tensile strength of 60,000 PSI ensures reliable performance under heavy loads and vibrations.
• Rockwell B60 hardness provides excellent wear resistance and durability for repeated use.
• UNC coarse threading with Class 2A fit allows for quick, easy installation and secure fastening in various materials.
• Slotted drive design offers compatibility with standard tools, simplifying maintenance and assembly processes.
• Fully threaded shank maximizes grip and distribution of clamping force along the entire length.
• Compliance with ASME B18.6.3, RoHS 3, and REACH guarantees adherence to industry standards and environmental safety regulations.

Professional Applications & Engineering Value

This zinc-plated steel rounded head screw is engineered to address common industrial challenges such as corrosion, high-stress fatigue, and assembly efficiency. The UNC coarse thread and Class 2A fit ensure precise engagement and reduced cross-threading risks, making it ideal for machinery, automotive, and construction applications where reliability is critical. The slotted drive facilitates straightforward installation with standard tools, while the pan head design provides a low-profile, secure fastening solution that withstands vibration and heavy loads. By combining high tensile strength and environmental compliance, this screw delivers long-term value in demanding settings, from manufacturing plants to outdoor equipment.

Specification Summary & Compliance

This screw features a 3/8"-16 UNC coarse thread with Class 2A tolerance for consistent fit and performance. It meets ASME B18.6.3 manufacturing specifications and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring safety and environmental responsibility in industrial use.