S-92205A745 1/2"-13 x 3 1/2" Sealing Hex Head Screws

Key Features & Benefits at a Glance

• High-pressure sealing reliability with silicone rubber O-ring withstands up to 20,000 psi, preventing leaks in demanding industrial environments
• Superior corrosion resistance from 18-8 stainless steel construction ensures long-term durability in harsh conditions
• Exceptional mechanical strength with 80,000 psi tensile strength and Rockwell B85 hardness for heavy-duty load applications
• Precise thread engagement with Class 2A UNC coarse threads provides secure fastening and vibration resistance
• Wide temperature compatibility from -80° to 400°F maintains performance across extreme thermal conditions
• Easy installation and removal with standard 3/4" external hex head design for efficient maintenance operations
• Regulatory compliance assurance meeting RoHS 3 and REACH standards for global industrial applications

Professional Applications & Engineering Value

This 1/2"-13 UNC hex head screw delivers critical engineering solutions for high-pressure systems requiring reliable sealing performance. The combination of 18-8 stainless steel material and silicone rubber O-ring creates an optimal seal against fluid and gas leakage in applications ranging from hydraulic systems to industrial machinery. The partially threaded design with coarse UNC threads ensures maximum grip strength while the external hex drive facilitates quick installation in confined spaces. Engineered for heavy-duty industrial applications, this fastener maintains structural integrity under extreme pressure conditions while providing corrosion resistance for long service life in challenging environments.

Specification Summary & Compliance

This hex head screw features precise Class 2A thread fit with 1/2"-13 UNC coarse threading and partial threading up to 1-1/4" minimum thread length. The fastener meets RoHS 3 (2015/863/EU) compliance and REACH (EC 1907/2006) standards, ensuring environmental regulatory adherence. Manufacturing specifications include a maximum hole diameter of 0.534" and dimensional accuracy per inch system requirements, providing reliable performance in industrial applications demanding precise tolerances and material consistency.