S-93516A537 1/4"-20 x 1/2" ASME B18.2.1 Bronze Hex Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 651 Silicon Bronze material, ideal for marine and harsh industrial environments
• High tensile strength of 70,000 psi ensures reliable load-bearing capacity in demanding applications
• Rockwell B70 hardness provides excellent durability and resistance to wear and deformation
• Fully threaded UNC coarse design offers faster installation and improved grip in various materials
• External hex drive with 7/16" head width allows for easy tightening with standard tools
• Class 2A thread fit guarantees precise, consistent threading for secure fastening
• Compliance with ASME B18.2.1, RoHS 3, and REACH ensures safety, quality, and environmental standards are met

Professional Applications & Engineering Value

This 1/4"-20 UNC hex head screw in 651 Silicon Bronze is engineered to address critical challenges in corrosive and high-stress settings, such as marine equipment, chemical processing, and coastal infrastructure. The fully threaded coarse thread design enhances vibration resistance and speeds assembly, while the external hex drive facilitates quick installation with common wrenches. Its 70,000 psi tensile strength and Rockwell B70 hardness ensure long-term reliability, reducing maintenance needs and downtime in industrial applications where exposure to saltwater, humidity, or chemicals is common.

Specification Summary & Compliance

This screw features a 1/4"-20 UNC coarse thread with Class 2A thread fit for precise dimensional accuracy, a length of 1/2", and a head width of 7/16". It meets ASME B18.2.1 manufacturing specifications and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and suitable for global industrial use.