S-90550A122 M4 x 10 mm Venting Stainless Steel Hex-Drive Flat Head Screws

Key Features & Benefits at a Glance

• Corrosion-resistant 18-8 stainless steel construction ensures long-term reliability in humid or demanding industrial environments.
• Precise Class 6g thread fit guarantees smooth, secure fastening with excellent vibration resistance in metric assemblies.
• Integrated 1.17mm vent hole prevents pressure buildup and allows for drainage or wiring, enhancing functionality in sealed units.
• 2.5mm hex drive and flat head with 90° countersink provides a flush, low-profile finish and secure tool engagement for efficient installation.
• Fully threaded M4x0.7mm coarse thread design offers rapid installation and high pull-out strength for general-purpose applications.
• Compliance with RoHS 3 and REACH regulations ensures environmental safety and unrestricted use in global markets.
• Metric coarse threading and standardized dimensions ensure broad compatibility with existing M4 nuts and tapped holes.

Professional Applications & Engineering Value

This M4 flat head screw is engineered to address common challenges in assembly and maintenance. The 18-8 stainless steel provides excellent corrosion resistance, making it ideal for electronics enclosures, machinery panels, and outdoor equipment where moisture is a concern. The vented design is critical in pressurized or sealed systems, preventing airlock and allowing for cable pass-through in control boxes or automotive components. With its coarse metric thread and Class 6g fit, it ensures quick, reliable fastening even in materials prone to stripping, reducing assembly time and improving joint integrity. The hex drive offers superior torque transmission compared to slotted drives, minimizing cam-out and tool wear in high-volume production environments.

Specification Summary & Compliance

This screw conforms to metric ISO standards with M4x0.7mm coarse threads and a Class 6g tolerance for consistent, reliable fit. It features a standard flat head profile with a 90° countersink angle and is fully threaded for maximum grip length. The product is manufactured in compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and suitable for use in regulated industries.