S-97646A258 1/2"-13 x 3/4" 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, ideal for harsh industrial environments
- Exceptional mechanical strength with 100,000 psi tensile strength and Rockwell B100 hardness for heavy-duty applications
- Secure anti-loosening performance through serrated locking design that maintains tightness under vibration
- Easy installation and removal with external hex drive and standard 3/4" head width for common tools
- Reliable thread engagement with Class 2A thread fit and UNC coarse threads for quick assembly
- Enhanced load distribution from integrated flange design (1 5/64" diameter) reducing surface pressure
- Full thread coverage along the 3/4" length ensures maximum grip strength in various material thicknesses
Professional Applications & Engineering Value
Engineered for demanding industrial applications, these 1/2"-13 UNC hex head screws deliver critical performance where vibration resistance and corrosion protection are paramount. The 18-8 stainless steel composition provides excellent durability in chemical, marine, and outdoor environments, while the serrated locking feature prevents spontaneous loosening in machinery and structural assemblies. With 100,000 psi tensile strength and Rockwell B100 hardness, these fully threaded fasteners maintain integrity under extreme loads. The external hex drive and coarse thread design enable rapid installation in production environments, making them ideal for heavy equipment, construction frameworks, and manufacturing systems requiring reliable, high-strength flanged screw solutions.
Specification Summary & Compliance
This heavy-duty hex screw features precision Class 2A thread fit with UNC coarse threads (1/2"-13) and right-hand threading. Manufactured to inch system standards with a 3/4" length and fully threaded design. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory acceptance for industrial use worldwide.
