S-93700A216 M8 x 20 mm 12-Point Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with black-oxide coating, extending service life in harsh industrial environments.
• Superior torque transmission from the external 12-point drive, reducing tool slippage and enabling precise installation.
• Enhanced load distribution thanks to the integrated flange, minimizing surface pressure and preventing loosening under vibration.
• High tensile strength of 180,000 psi ensures reliable performance in heavy-duty and high-stress applications.
• Precision Class 4h thread fit guarantees consistent engagement and secure fastening in metric assemblies.
• Robust Rockwell C38 hardness provides excellent wear resistance and durability for long-term use.
• Coarse M8x1.25 thread allows for quicker installation and better performance in materials prone to stripping.

Professional Applications & Engineering Value

Engineered for demanding industrial settings, this M8 12-point flanged screw addresses critical challenges like vibration-induced loosening and corrosion. The black-oxide alloy steel construction offers a protective layer that resists rust, making it ideal for automotive, machinery, and outdoor equipment where exposure to moisture is common. Its external 12-point drive enables high-torque application with standard tools, reducing installation time and improving accuracy in tight spaces. The fully threaded design and Class 4h thread fit ensure maximum grip and alignment in metric coarse thread applications, preventing joint failure and maintenance downtime. This screw is a reliable choice for assemblies requiring consistent clamping force and durability under dynamic loads.

Specification Summary & Compliance

This screw features a metric M8x1.25 coarse thread with Class 4h thread fit for precise tolerances, fully compliant with standard metric threading specifications. It is manufactured from alloy steel with a black-oxide surface treatment, meeting common industry requirements for corrosion protection. The product adheres to general engineering standards for dimensions and performance, ensuring reliability in various industrial applications. While specific certifications like RoHS or REACH are not detailed here, it is designed for use in environments where such compliance may be applicable based on material safety and environmental guidelines.