S-92205A583 5/16"-18 x 1" Sealing Hex Head Screws
Sealing Hex Head Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
Installation & Application
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Key Features & Benefits at a Glance
- Superior sealing performance with integrated silicone rubber O-ring that prevents leaks in demanding applications
- Exceptional pressure resistance up to 20,000 psi for reliable operation in high-pressure systems
- Wide temperature tolerance from -80° to 400°F maintains integrity across extreme thermal conditions
- Corrosion-resistant 18-8 stainless steel construction ensures long-term durability in harsh environments
- High tensile strength of 80,000 psi provides reliable fastening under heavy loads
- Class 2A thread fit with UNC coarse threading enables quick installation and secure engagement
- External hex drive design allows for easy installation with standard tools and high torque application
Professional Applications & Engineering Value
This 5/16"-18 UNC hex head screw delivers critical sealing solutions for industrial applications where pressure integrity is paramount. The silicone rubber O-ring creates a reliable seal that prevents fluid and gas leakage in hydraulic systems, pneumatic equipment, and pressure vessels. Manufactured from 18-8 stainless steel with Rockwell B85 hardness, this fastener maintains structural integrity while resisting corrosion in marine, chemical processing, and outdoor applications. The fully threaded design ensures consistent sealing along the entire fastener length, while the external hex drive provides superior torque transmission during installation. Ideal for high-pressure plumbing, industrial machinery, and equipment requiring 20,000 psi pressure rating capabilities.
Specification Summary & Compliance
This hex head sealing screw features Class 2A thread fit with 5/16"-18 UNC coarse threading and right-hand thread direction. The inch system measurement includes a 1" length, 1/2" head width, and 13/64" head height. The fastener is manufactured to precise dimensional standards with maximum hole diameter of 0.336" and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across various industrial sectors.
