S-91420A136 M3 x 40 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 environments
• High-strength performance with 60,000 PSI tensile strength and Rockwell B71 hardness for reliable load-bearing applications
• Precise thread engagement with Class 6h fit and coarse M3x0.5mm threads ensuring secure fastening and vibration resistance
• Efficient installation with Phillips No. 1 drive and standard flat head profile for flush mounting and easy countersinking
• Full-threaded design providing maximum grip length and uniform stress distribution along the entire 40mm shaft
• Standardized dimensions complying with DIN 965 specifications for guaranteed interchangeability and engineering consistency
• Environmental compliance meeting RoHS 3 and REACH regulations for safe use in regulated industries

Professional Applications & Engineering Value

This M3 flat head screw delivers exceptional engineering value through its zinc-plated steel construction and metric thread precision. The combination of 60,000 PSI tensile strength and Rockwell B71 hardness ensures reliable performance in applications where vibration resistance and structural integrity are critical. The fully threaded design with Class 6h fit provides superior holding power in metal assemblies, electronic enclosures, and machinery components. The 90° countersink angle and flat head profile enable seamless flush mounting, eliminating protrusions that could interfere with moving parts or aesthetic requirements. These industrial screws are particularly valuable in automotive, electronics, and manufacturing sectors where DIN 965 compliance ensures dimensional consistency across international projects.

Specification Summary & Compliance

This metric fastener features M3x0.5mm coarse right-hand threads with Class 6h thread fit tolerance, ensuring precise engagement and reliable performance. The screw maintains dimensional compliance with DIN 965 standards for flat head screws, including the specified 90° countersink angle and standard head profile. Manufacturing and material specifications meet international regulatory requirements including RoHS 3 (2015/863/EU) compliance and REACH (EC 1907/2006) compliance, ensuring environmental safety and material traceability. The combination of standardized dimensions and regulatory compliance makes these screws suitable for global supply chains and quality-controlled industrial applications.