S-92205A735 1/2"-13 x 2 1/2" Sealing Hex Head Screws

Key Features & Benefits at a Glance

• Superior sealing performance with a silicone rubber O-ring, effectively preventing leaks in high-pressure systems up to 20000 psi.
• Excellent corrosion resistance provided by 18-8 Stainless Steel, ensuring long-term reliability in harsh industrial environments.
• High tensile strength of 80000 psi and Rockwell B85 hardness for dependable load-bearing capacity and resistance to deformation.
• Precise Class 2A thread fit with UNC coarse threading, enabling easier assembly and secure fastening in demanding applications.
• Wide temperature tolerance from -80° to 400° F, allowing stable performance in extreme thermal conditions.
• External hex drive design for straightforward installation and removal using standard tools, reducing assembly time.
• Compliance with RoHS 3 and REACH regulations, ensuring environmental safety and meeting international quality standards.

Professional Applications & Engineering Value

This 1/2"-13 UNC Hex Head Screw is engineered to address critical challenges in high-pressure industrial systems, such as hydraulic assemblies, pneumatic equipment, and fluid handling machinery. The 18-8 Stainless Steel construction offers inherent corrosion resistance, reducing maintenance needs in corrosive settings like marine or chemical processing. The inclusion of a silicone rubber O-ring provides a reliable seal against leaks, which is vital for maintaining system integrity under pressures up to 20000 psi. Its partially threaded design and coarse UNC threads facilitate quick alignment and secure clamping, minimizing the risk of loosening under vibration. This makes it an ideal heavy-duty fastener for applications requiring both mechanical strength and fluid containment, enhancing operational safety and efficiency.

Specification Summary & Compliance

This screw features a 1/2"-13 UNC thread with Class 2A fit for precise dimensional accuracy, a length of 2 1/2", and a minimum thread length of 1 1/4". It is manufactured from 18-8 Stainless Steel with a tensile strength of 80000 psi and hardness of Rockwell B85. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring adherence to environmental and safety standards for industrial use.