S-93516A628 3/8"-16 x 1 1/2" ASME B18.2.1 Bronze Hex Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance for extended service life in marine and harsh industrial environments
• High tensile strength of 70,000 psi ensures reliable performance under heavy loads and stress
• Rockwell B70 hardness provides excellent durability and resistance to wear and deformation
• Full UNC coarse threading delivers faster installation and superior holding power in various materials
• Class 2A thread fit guarantees consistent, precision threading for smooth assembly and disassembly
• External hex drive design allows for high-torque installation with standard tools
• Compliance with ASME B18.2.1, RoHS 3, and REACH ensures quality, safety, and environmental responsibility

Professional Applications & Engineering Value

Engineered specifically for demanding applications, these 651 Silicon Bronze hex head screws deliver exceptional performance where corrosion is a primary concern. The silicon bronze material offers outstanding resistance to saltwater corrosion, making these UNC threaded screws ideal for marine hardware, offshore platforms, and chemical processing equipment. The coarse thread design provides superior grip in softer materials and faster installation times, while the external hex drive enables high-torque applications without stripping. With full threading along the entire 1-1/2" length, these screws ensure maximum engagement and load distribution, solving common fastening failures in high-vibration environments.

Specification Summary & Compliance

This 3/8"-16 UNC hex head screw features precision Class 2A thread fit tolerances and is manufactured to ASME B18.2.1 specifications for dimensional accuracy and performance reliability. The screw meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance requirements, ensuring environmental safety and regulatory adherence for industrial applications worldwide.