S-90550A121 M4 x 8 mm Venting Stainless Steel Hex-Drive Flat Head Screws
Venting Stainless Steel Hex-Drive Flat 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, ideal for harsh or humid environments without compromising integrity.
- Effortless installation and removal thanks to the 2.5mm hex drive, providing secure tool engagement and reducing slippage.
- Reliable thread engagement with Class 6g thread fit and coarse 0.7mm pitch, ensuring quick assembly and vibration resistance in industrial settings.
- Flush, low-profile seating achieved through the 90° countersink angle and flat head design, preventing snagging and enhancing aesthetics.
- Pressure equalization and debris prevention via the vented design with 1.17mm diameter, suitable for applications requiring airflow or drainage.
- Full-length threading for maximum grip along the entire 8mm length, offering consistent holding power in various materials.
- Compliance with environmental standards including RoHS 3 and REACH, ensuring safe, sustainable use in global supply chains.
Professional Applications & Engineering Value
This M4 flat head screw is engineered from 18-8 Stainless Steel to address common industrial challenges like corrosion and mechanical stress. The Class 6g thread fit and coarse 0.7mm pitch enable rapid, secure fastening in metals, plastics, and composites, reducing assembly time while maintaining vibration resistance. Its vented feature with a 1.17mm diameter is critical in electronics, automotive, or HVAC systems, where pressure balance and moisture management are essential. The 90° countersink angle and hex drive ensure a flush finish and high torque application, making it a reliable choice for machinery, enclosures, and precision equipment requiring durability and regulatory compliance.
Specification Summary & Compliance
This screw adheres to metric standards with an M4 x 0.7mm thread size, Class 6g thread fit for precise tolerance, and fully threaded 8mm length. It meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring it is free from hazardous substances and suitable for industrial and international applications.
