S-94302A108 5/16"-18 x 1 1/4" Super-Corrosion-Resistant 316 Stainless Steel Serrated-Flange Hex Head Screws
Super-Corrosion-Resistant 316 Stainless Steel Serrated-Flange 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 with 316 stainless steel construction for longevity in harsh environments
- Superior vibration resistance through serrated flange design that prevents loosening under dynamic loads
- High-strength performance with 100,000 psi tensile strength and Rockwell B100 hardness for demanding applications
- Precise thread engagement with Class 2A fit and UNC coarse threading for reliable assembly and disassembly
- Easy installation and removal using standard external hex drive tools for efficient maintenance
- Full thread coverage along the entire 1-1/4" length for maximum grip and load distribution
- Regulatory compliance with RoHS 3 and REACH standards for safe use in regulated industries
Professional Applications & Engineering Value
This 316 stainless steel hex head screw delivers critical performance advantages in corrosive and high-stress environments. The serrated locking flange provides permanent vibration resistance without requiring additional locking components, reducing assembly time and maintenance costs. With fully threaded UNC coarse threading and Class 2A fit, these screws ensure consistent clamping force and reliable performance in machinery, marine equipment, chemical processing systems, and structural applications. The external hex drive accommodates standard tools for quick installation, while the 11/16" flange diameter distributes load effectively, preventing surface damage and maintaining joint integrity under extreme conditions.
Specification Summary & Compliance
Manufactured to precise dimensional standards with Class 2A thread fit and UNC coarse threading (5/16"-18 thread size, 0.3125" diameter). Features include 1-1/4" length, 1/2" head width, 21/64" head height, and 11/16" flange diameter. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory acceptance for industrial applications worldwide.
