S-93516A219 3/4"-10 x 2 1/2" ASME B18.2.1 Bronze Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance from 651 Silicon Bronze material, ideal for marine and harsh industrial environments, reducing maintenance and replacement costs.
• High tensile strength of 70,000 psi ensures reliable load-bearing capacity and structural integrity in demanding applications.
• Rockwell B70 hardness provides superior durability and resistance to wear, extending the fastener's service life.
• Fully threaded UNC coarse pattern allows for faster installation and secure gripping in a variety of materials.
• External hex drive and hex head design facilitate easy tightening with standard tools, improving assembly efficiency.
• Class 2A thread fit offers consistent, reliable engagement with standard nuts and tapped holes, minimizing cross-threading risks.
• Compliance with ASME B18.2.1, RoHS 3, and REACH ensures adherence to industry standards and environmental regulations for safe, global use.

Professional Applications & Engineering Value

Engineered for marine, coastal, and harsh industrial environments, these 3/4"-10 UNC silicon bronze hex head screws address critical challenges like saltwater corrosion, chemical exposure, and high stress. The 651 silicon bronze composition provides inherent resistance to galvanic and atmospheric corrosion, preventing premature failure in docks, shipbuilding, and chemical processing equipment. The coarse UNC thread and fully threaded design ensure quick, secure fastening in wood, metal, and composite materials, reducing installation time while maintaining 70,000 psi tensile strength. With an external hex drive for easy tool access, these screws deliver reliable performance in applications where durability and compliance with ASME B18.2.1 standards are non-negotiable.

Specification Summary & Compliance

This screw features a 3/4"-10 UNC coarse thread with Class 2A thread fit for consistent dimensional accuracy and compatibility. It meets ASME B18.2.1 specifications for hex head screws, ensuring reliable manufacturing quality. Additionally, it is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, adhering to environmental and safety regulations for restricted substances.