S-90274A222 M4 x 12 mm DIN 963, ISO 2009 Steel Slotted Flat Head Screws

Key Features & Benefits at a Glance

• Superior Corrosion Resistance: Zinc-plated steel construction provides excellent protection against rust and environmental degradation, extending service life in demanding industrial settings.
• High Tensile Strength & Durability: With a tensile strength of 60,000 psi and Rockwell B71 hardness, this screw reliably withstands high-stress applications without shearing or deforming.
• Precision Thread Fit for Secure Fastening: Class 6h thread fit ensures tight, consistent engagement with mating parts, minimizing the risk of loosening under vibration or load.
• Efficient Flush Mounting: The standard flat head with a 90° countersink angle allows for a smooth, flush finish, ideal for applications where protrusions are unacceptable.
• Broad Industrial Compliance: Manufactured to DIN 963 and ISO 2009 standards, guaranteeing dimensional accuracy and interchangeability, while RoHS 3 and REACH compliance ensures environmental and safety adherence.
• Versatile Coarse Thread Design: The M4 x 0.7 mm coarse thread facilitates quick and easy installation, reducing assembly time in high-volume production environments.
• Reliable Slotted Drive Compatibility: Standard slotted drive offers straightforward installation with common tools, ensuring accessibility and ease of use in maintenance and assembly.

Professional Applications & Engineering Value

This M4 flat head screw is engineered to address critical challenges in industrial assembly, where vibration resistance, corrosion protection, and flush surface requirements are paramount. The zinc-plated steel material provides a robust barrier against moisture and chemicals, making it suitable for outdoor equipment, automotive components, and electronic enclosures. Its fully threaded metric coarse thread design ensures maximum grip and load distribution, preventing joint failure in dynamic applications. The 90° countersink angle and flat head profile enable seamless integration into machined surfaces, eliminating snagging and improving aesthetic finishes. By conforming to DIN 963 and ISO 2009 standards, this screw delivers consistent performance and compatibility, reducing downtime and replacement costs in precision engineering and manufacturing workflows.

Specification Summary & Compliance

This product adheres to precise dimensional tolerances, including a Class 6h thread fit for metric applications, ensuring reliable engagement. It meets DIN 963 and ISO 2009 manufacturing specifications for flat head screws, covering head diameter (7.5 mm), length (12 mm), and thread pitch (0.7 mm). Compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) confirms it is free from hazardous substances, supporting sustainable and safe industrial use.