S-93516A635 3/8"-16 x 3" ASME B18.2.1 Bronze Hex Head Screws
Bronze Hex Head Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
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Key Features & Benefits at a Glance
- Exceptional corrosion resistance from 651 Silicon Bronze material, ideal for 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
- Fully threaded UNC coarse design allows for faster installation and superior grip in various materials
- Class 2A thread fit guarantees consistent, precise engagement with standard nuts and tapped holes
- External hex drive with 9/16" head enables easy tightening with common wrenches in confined spaces
- Compliance with ASME B18.2.1, RoHS 3, and REACH ensures quality, safety, and environmental standards are met
Professional Applications & Engineering Value
This 3/8"-16 UNC silicon bronze hex head screw is engineered to address critical challenges in corrosive and high-moisture applications. The 651 silicon bronze composition offers superior resistance to saltwater, chemicals, and atmospheric corrosion, making it an optimal choice for marine equipment, shipbuilding, and coastal infrastructure. The fully threaded coarse UNC design enhances installation speed and provides maximum thread engagement, reducing the risk of loosening under vibration. With a 70,000 psi tensile strength and Rockwell B70 hardness, it maintains structural integrity in demanding environments, while the external hex drive ensures secure fastening even in tight spaces. Ideal for heavy-duty bronze fasteners in plumbing, offshore platforms, and chemical processing plants.
Specification Summary & Compliance
This screw features a 3/8"-16 UNC coarse thread with Class 2A thread fit for precise dimensional accuracy and compatibility. It adheres to ASME B18.2.1 manufacturing standards, ensuring consistent quality and performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming it is free from hazardous substances and safe for industrial use.
