S-93700A217 M8 x 25 mm 12-Point Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with black-oxide coating for reliable performance in harsh industrial environments
• Superior torque transmission through 12-point external drive design, preventing tool slippage during high-torque applications
• Enhanced load distribution with integrated flange, eliminating the need for separate washers and reducing assembly time
• Maximum thread engagement with fully threaded design, providing superior holding power across the entire fastener length
• Precise thread fit with Class 4h tolerance, ensuring consistent performance and vibration resistance in critical assemblies
• Heavy-duty strength with 180,000 psi tensile strength and Rockwell C38 hardness for demanding mechanical applications
• Optimized for coarse threading with M8x1.25 pitch, enabling faster installation and reduced cross-threading risks

Professional Applications & Engineering Value

Engineered for heavy-duty industrial applications, these M8 12-point screws deliver exceptional performance where reliability is paramount. The black-oxide alloy steel construction provides superior corrosion resistance while maintaining the 180,000 psi tensile strength required for high-stress environments. The flanged design eliminates the need for additional washers, reducing component count and assembly time in automotive assemblies, machinery frames, and industrial equipment. The Class 4h thread fit ensures precise engagement with mating components, preventing loosening under vibration and maintaining structural integrity in critical connections. The external 12-point drive allows for high-torque installation without stripping, making these metric coarse thread screws ideal for production lines where speed and reliability are essential.

Specification Summary & Compliance

Manufactured to precise metric standards with M8x1.25 coarse thread configuration and Class 4h thread fit tolerance. The fastener features a 25mm length with 15mm flange diameter and 10mm drive size. The black-oxide alloy steel construction meets industry standards for corrosion protection, while the mechanical properties including Rockwell C38 hardness and 180,000 psi tensile strength comply with international fastener specifications for industrial and automotive applications.