S-92800A378 5/16"-18 x 6 1/2" 18-8 Stainless Steel Hex Head Screws
18-8 Stainless Steel Hex Head Screws
Image may differ from product. See technical specification for details.
Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
Key Features & Benefits at a Glance
- Exceptional corrosion resistance from 18-8 stainless steel construction, ideal for harsh industrial environments
- High tensile strength of 80,000 psi ensures reliable performance under heavy loads and vibration
- Rockwell B70 hardness provides superior durability and resistance to wear and deformation
- Full threading along the 6-1/2" length offers maximum grip and holding power in deep applications
- Coarse UNC thread spacing enables faster installation and reduced cross-threading risks
- Class 2A thread fit guarantees consistent, precision mating with standard nuts and tapped holes
- External hex drive design allows for high-torque installation using common wrench tools
Professional Applications & Engineering Value
This 5/16"-18 UNC hex head screw delivers critical performance advantages in demanding industrial applications where corrosion resistance and structural integrity are paramount. The 18-8 stainless steel composition provides excellent protection against rust and chemical exposure, making it suitable for outdoor equipment, marine hardware, and food processing machinery. The coarse thread spacing combined with Class 2A thread fit ensures rapid assembly while maintaining precise tolerances, reducing installation time and preventing thread damage. With 80,000 psi tensile strength and full threading along its substantial 6-1/2" length, this fastener offers superior clamping force and vibration resistance in structural connections, heavy machinery, and construction projects where long-term reliability is essential.
Specification Summary & Compliance
This hex head screw features 5/16"-18 UNC coarse threads with Class 2A thread fit precision manufactured to standard inch system specifications. The fastener maintains dimensional accuracy with a thread diameter of 0.3125" and right-hand thread direction. Manufacturing complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across various industrial sectors without hazardous substance restrictions.
