S-90220A210 1/2"-13 x 1" Vented Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with 18-8 Stainless Steel construction, ideal for harsh industrial environments and reducing long-term replacement costs.
• Superior mechanical strength offering 70,000 psi tensile strength and Rockwell B70 hardness for reliable performance under high-stress conditions.
• Effortless installation and removal with a 3/4" external hex head and coarse UNC threading, ensuring quick assembly and disassembly.
• Precise and reliable thread fit with Class 2A tolerance, providing consistent engagement and reducing the risk of cross-threading.
• Enhanced functionality in specialized applications due to the fully threaded, vented design with a 1/8" vent diameter for pressure equalization or fluid passage.
• Guaranteed material safety and compliance by meeting RoHS 3 and REACH regulations, ensuring suitability for regulated industries.
• Broad compatibility with standard 1/2"-13 UNC components, simplifying sourcing and inventory for maintenance and production.

Professional Applications & Engineering Value

This 1/2"-13 UNC Hex Head Screw in 18-8 Stainless Steel is engineered to solve critical challenges in demanding industrial settings. Its high tensile strength (70,000 psi) and Class 2A thread fit ensure a secure, vibration-resistant fastening solution for heavy machinery, structural assemblies, and equipment subjected to dynamic loads. The fully threaded and vented design is particularly valuable in applications requiring pressure management, such as in fluid systems or enclosures, preventing vacuum lock or allowing for drainage. The inherent corrosion resistance of stainless steel minimizes degradation in outdoor, marine, or chemical-exposed environments, significantly extending service life and reducing maintenance frequency. This combination of durability, precision, and specialized features makes it an indispensable component for engineers seeking reliability in construction, manufacturing, and industrial maintenance.

Specification Summary & Compliance

This screw adheres to the inch system with a 1/2"-13 UNC coarse thread and a precision Class 2A thread fit for consistent dimensional accuracy. It is fully threaded and features an external hex drive with a head width of 3/4". The product is manufactured in compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its adherence to strict environmental and safety standards for hazardous substances.