S-91420A173 M3.5 x 6 mm DIN 965 Steel Phillips Flat Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc-plated steel construction, extending service life in demanding industrial environments
• Exceptional holding power from 60,000 PSI tensile strength and Rockwell B71 hardness for reliable fastening in high-stress applications
• Precise thread engagement with Class 6h fit and coarse thread spacing, ensuring consistent performance and reducing assembly time
• Optimized flush mounting with standard 90° countersink angle and flat head design for seamless surface integration
• Enhanced drive stability with Phillips No. 2 drive style, minimizing cam-out and improving torque transmission
• Full-threaded design providing maximum grip length and uniform load distribution along the entire fastener
• Regulatory compliance assurance meeting DIN 965 standards and environmental regulations for global manufacturing applications

Professional Applications & Engineering Value

These M3.5 flat head screws deliver critical engineering solutions where flush surface mounting and high-strength fastening are paramount. The zinc-plated steel construction provides essential corrosion protection for electrical enclosures, machinery panels, and automotive assemblies exposed to harsh conditions. With fully threaded M3.5 x 0.6mm metric configuration and Class 6h thread fit, these screws eliminate play and vibration loosening in precision equipment. The 90° countersink angle ensures perfect seating in standardized chamfers, while the Phillips drive facilitates efficient installation in high-volume production environments. Engineered to DIN 965 specifications, these fasteners provide reliable performance in metal fabrication, industrial controls, and precision instrument manufacturing where dimensional accuracy and regulatory compliance are non-negotiable.

Specification Summary & Compliance

Manufactured to precise metric dimensions with M3.5 thread diameter, 0.6mm pitch, and 6mm length. Threading features Class 6h tolerance with coarse spacing and right-hand orientation. Complies with DIN 965 standard for flat head screws and meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations. The zinc-plated steel construction delivers consistent performance with 60,000 PSI tensile strength and Rockwell B71 hardness rating.