S-93516A620 3/8"-16 x 1/2" 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
- Superior corrosion resistance from 651 Silicon Bronze material for extended service life in marine and harsh environments
- High tensile strength of 70,000 PSI ensures reliable performance under heavy loads and stress conditions
- Rockwell B70 hardness rating provides excellent durability and resistance to deformation
- Fully threaded UNC coarse pattern delivers faster installation and superior holding power
- External hex drive design allows for easy installation with standard tools and high torque application
- Class 2A thread fit ensures precise threading compatibility and smooth assembly
- Comprehensive regulatory compliance including ASME B18.2.1, RoHS 3, and REACH for quality assurance
Professional Applications & Engineering Value
These 3/8"-16 UNC silicon bronze hex head screws are engineered specifically for demanding applications where corrosion resistance and mechanical strength are critical. The 651 Silicon Bronze composition provides exceptional protection against saltwater corrosion, making them ideal for marine applications, offshore structures, and chemical processing environments. The coarse thread pattern ensures reliable performance in softer materials and provides superior resistance to vibration loosening. With 70,000 PSI tensile strength and Rockwell B70 hardness, these fully threaded fasteners maintain structural integrity in high-stress applications while the external hex drive enables efficient installation and removal with standard industrial tools.
Specification Summary & Compliance
This hex head screw features precise 3/8"-16 UNC coarse threads with Class 2A thread fit tolerance for reliable mating and assembly. The fastener meets ASME B18.2.1 manufacturing specifications ensuring dimensional accuracy and performance consistency. Regulatory compliance includes RoHS 3 (2015/863/EU) for hazardous substance restrictions and REACH (EC 1907/2006) compliance for chemical safety. With dimensions of 1/2" length, 9/16" head width, and 15/64" head height, these industrial fasteners are manufactured to exacting standards for professional applications requiring corrosion-resistant solutions.
