S-90274A218 M4 x 8 mm DIN 963, ISO 2009 Steel Slotted Flat Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc-plated steel construction, ensuring long-term reliability in harsh industrial environments
• High tensile strength of 60,000 psi provides exceptional load-bearing capacity for demanding mechanical assemblies
• Precision Class 6h thread fit guarantees secure fastening and vibration resistance in metric applications
• Full threading with M4x0.7mm coarse pitch enables faster installation and superior grip in various materials
• Flat head design with 90° countersink creates flush surface finishes for streamlined assemblies
• Rockwell B71 hardness rating ensures excellent wear resistance and durability under repeated use
• Slotted drive compatibility allows for quick installation with standard tools while maintaining cost-effectiveness

Professional Applications & Engineering Value

These M4 flat head screws deliver exceptional engineering value through their zinc-plated steel construction and precision metric threading. The combination of 60,000 psi tensile strength and Rockwell B71 hardness addresses common industrial challenges of component failure under stress and wear. The fully threaded design with Class 6h fit ensures maximum thread engagement, preventing loosening in vibrating machinery and equipment. The flat head profile with standard 90° countersink angle provides seamless integration in precision assemblies where surface flushness is critical. These slotted drive screws are particularly valuable in manufacturing, automotive, and electronics applications where reliable metric fastening solutions are essential for maintaining production quality and reducing maintenance frequency.

Specification Summary & Compliance

This M4 x 0.7mm x 8mm flat head screw features precision metric coarse threading with Class 6h thread fit tolerance and right-hand thread direction. Manufactured to DIN 963 and ISO 2009 standards, ensuring dimensional accuracy and interchangeability. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, making it suitable for global industrial applications requiring strict regulatory adherence.