S-92800A283 5/8"-18 x 3 1/4" 18-8 Stainless Steel Hex Head Screws
18-8 Stainless Steel 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 thanks to 18-8 stainless steel construction, ensuring long-term reliability in harsh environments
- Exceptional tensile strength rated at 80,000 PSI for secure, high-load fastening applications
- Precision UNF fine threading with Class 2A fit provides excellent engagement and vibration resistance
- Durable Rockwell B70 hardness maintains structural integrity under mechanical stress
- External hex drive design allows for easy installation and removal with standard tools
- Partial threading offers optimal grip length for controlled clamping force
- Full regulatory compliance with RoHS 3 and REACH standards for safe, environmentally conscious usage
Professional Applications & Engineering Value
This 5/8"-18 UNF hex head screw delivers critical performance advantages for industrial applications where corrosion resistance and high tensile strength are paramount. The 18-8 stainless steel material provides excellent protection against rust and chemical exposure, making it ideal for marine, chemical processing, and outdoor equipment applications. The UNF fine thread configuration with Class 2A thread fit ensures superior vibration resistance and precise engagement in critical assemblies. With partial threading and external hex drive, this fastener offers controlled clamping force and straightforward installation using standard wrenches. These engineering features combine to solve common industrial challenges including joint failure, corrosion-induced degradation, and maintenance accessibility in demanding environments.
Specification Summary & Compliance
This hex head screw features precision Class 2A thread fit with 5/8"-18 UNF fine threads and right-hand thread direction. The fastener measures 3 1/4" in length with a minimum thread length of 1 1/2". Manufacturing specifications include 80,000 PSI tensile strength and Rockwell B70 hardness. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across various industrial sectors.
