S-94326A222 M4 x 8 mm DIN 7991, ISO 10642 Stainless Steel Hex Drive Flat Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel and passivated finish, ideal for harsh environments like marine or chemical applications.
• High tensile strength of 100,000 psi ensures reliable, long-lasting fastening under demanding mechanical loads.
• Precision fine threading (0.5mm pitch) with Class 6g fit provides secure engagement and reduced risk of loosening in vibration-prone settings.
• Fully threaded design allows for maximum grip and uniform stress distribution across the entire length.
• Standard flat head profile with 90° countersink enables flush mounting for a smooth, professional finish in assembled products.
• Hex drive (2.5mm) offers easy installation and removal with standard tools, improving assembly efficiency.
• Compliance with DIN 7991 and ISO 10642 standards guarantees dimensional accuracy and interchangeability for global engineering projects.

Professional Applications & Engineering Value

This M4 flat head screw in 316 stainless steel addresses critical challenges in industries where corrosion and mechanical stress are prevalent. The passivated finish enhances surface durability, preventing oxidation in humid or saline conditions, making it suitable for marine equipment, food processing machinery, and outdoor structures. With a fine thread pitch of 0.5mm and Class 6g thread fit, it ensures tight, secure fastening in precision assemblies, reducing the need for frequent maintenance. The fully threaded and flat head design allows for seamless integration into countersunk holes, providing a clean aesthetic while maintaining structural integrity. Ideal for industrial fasteners in automotive, electronics, and construction, this screw delivers consistent performance where reliability and compliance with international standards are paramount.

Specification Summary & Compliance

This screw features a metric M4 x 0.5mm thread with Class 6g tolerance for precise fit, and is manufactured in accordance with DIN 7991 and ISO 10642 specifications. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material sustainability. The dimensions include an 8mm length, 8mm head diameter, and 2.3mm head height, providing consistent performance in standardized applications.