S-91304A175 M12 x 30 mm DIN 7991, ISO 10642 Alloy Steel Hex Drive Flat Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with blue-dyed zinc plating, ideal for harsh industrial environments
• Exceptional tensile strength of 120,000 psi from Class 10.9 rating for reliable heavy-duty applications
• Precise Class 6g thread fit ensures smooth installation and secure fastening in metric assemblies
• Full threading design provides maximum grip and load distribution along the entire 30mm length
• Rockwell C32 hardness maintains structural integrity under high stress and vibration
• Standard 90° countersink angle enables flush mounting for clean, professional finishes
• 8mm hex drive allows for high-torque installation with common industrial tools

Professional Applications & Engineering Value

These M12 flat head screws deliver critical reliability in demanding applications where corrosion resistance and high tensile strength are paramount. The blue-dyed zinc-plated alloy steel construction provides enhanced protection against environmental factors, while the Class 10.9 strength rating ensures dependable performance in structural assemblies, machinery, and heavy equipment. The fully threaded metric design with 1.75mm coarse pitch offers superior holding power in metal-to-metal fastening, reducing the risk of loosening under vibration. Engineered to DIN 7991/ISO 10642 standards, these screws provide consistent dimensional accuracy for precision industrial applications requiring flush surface mounting.

Specification Summary & Compliance

This metric flat head screw features M12 x 1.75mm thread size with Class 6g thread fit tolerance and right-hand threading. Manufactured to DIN 7991 ISO 10642 specifications with 90° countersink angle and 8mm hex drive. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations for industrial use.