S-90220A160 5/16"-18 x 1 1/2" Vented Hex Head Screws
Vented Hex Head Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
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Key Features & Benefits at a Glance
- Superior corrosion resistance with 18-8 Stainless Steel construction for long-lasting performance in harsh environments
- Exceptional mechanical strength with 70,000 psi tensile strength and Rockwell B70 hardness for heavy-duty applications
- Reliable coarse threading (5/16"-18 UNC) provides excellent grip and faster installation in various materials
- Vented design feature (0.078" diameter) prevents pressure buildup and allows for drainage in specialized applications
- Precision Class 2A thread fit ensures consistent engagement and reduces cross-threading risks
- External hex drive design offers secure tool engagement and high torque capability during installation
- Environmental compliance with RoHS 3 and REACH standards for sustainable manufacturing practices
Professional Applications & Engineering Value
This 5/16"-18 UNC hex head screw in 18-8 Stainless Steel delivers critical engineering solutions where corrosion resistance and structural integrity are paramount. The coarse thread design provides superior holding power in wood, plastic, and soft metals, while the partially threaded configuration allows for precise clamping force control. The innovative vented feature addresses common industrial challenges by preventing pressure differential issues in enclosed systems and facilitating drainage in marine or fluid-handling equipment. With its external hex drive and robust construction, this fastener is engineered for demanding applications across manufacturing, construction, and machinery assembly where vibration resistance and long-term reliability are essential.
Specification Summary & Compliance
This industrial fastener maintains Class 2A thread fit per UNC standards with precise dimensional control (1-1/2" length, 1/2" head width). Manufacturing adheres to RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance requirements, ensuring environmental responsibility. The 18-8 Stainless Steel composition provides consistent mechanical properties including 70,000 psi tensile strength and Rockwell B70 hardness, meeting rigorous industrial fastener specifications for durability and performance.
