S-97646A165 5/16"-18 x 1 1/2" 18-8 Stainless Steel Serrated-Flange Hex Head Screws
18-8 Stainless Steel Serrated-Flange 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
- Superior corrosion resistance with 18-8 stainless steel construction for extended service life in harsh environments
- Enhanced vibration resistance through serrated flange design that prevents loosening under dynamic loads
- High tensile strength of 100,000 psi ensures reliable performance in demanding applications
- Excellent hardness rating (Rockwell B100) provides superior wear resistance and durability
- Easy installation and removal with external hex drive design for efficient maintenance operations
- Precise thread engagement with Class 2A fit and UNC coarse threads for quick assembly
- Environmental compliance with RoHS 3 and REACH regulations for safe industrial use
Professional Applications & Engineering Value
This flanged hex head screw delivers exceptional engineering value through its 18-8 stainless steel composition and serrated locking mechanism. The combination of fully threaded UNC coarse threads and external hex drive enables rapid installation in heavy machinery, construction equipment, and industrial assemblies where vibration resistance is critical. The serrated flange eliminates the need for separate washers while providing superior anti-loosening properties, solving common maintenance issues in industrial applications. With its right-hand thread direction and Class 2A thread fit, this fastener ensures precise alignment and reliable performance in high-stress environments, making it ideal for manufacturing, automotive, and structural applications requiring heavy-duty fasteners.
Specification Summary & Compliance
This 5/16"-18 UNC hex head screw features precise Class 2A thread fit with coarse thread spacing for optimal engagement. The fastener maintains dimensional accuracy with 1-1/2" length and 11/16" flange diameter. Manufactured to meet industry standards for external hex drive applications, it complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across various industrial sectors.
