S-93700A230 M12 x 50 mm 12-Point Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with black-oxide coating that protects against rust in harsh industrial environments
• Exceptional torque transmission through the external 12-point drive design, preventing tool slippage during high-tension applications
• Enhanced load distribution thanks to the integrated flange, reducing surface pressure and material stress
• Reliable thread engagement with Class 4h precision fit, ensuring consistent clamping force and vibration resistance
• Optimized for heavy-duty applications with 180,000 psi tensile strength and Rockwell C38 hardness for maximum durability
• Quick installation in coarse materials using the M12x1.75 coarse thread pattern, reducing assembly time
• Versatile partial threading allowing precise control over clamping areas while maintaining unthreaded shaft strength

Professional Applications & Engineering Value

This M12 12-point screw delivers critical engineering solutions for high-torque applications where fastener failure is not an option. The black-oxide alloy steel construction provides superior protection against corrosion in manufacturing, automotive, and heavy machinery environments. The external 12-point drive with 14mm drive size enables maximum torque application without cam-out, while the flanged design eliminates the need for separate washers, streamlining assembly processes. The Class 4h thread fit ensures precise engagement in metric coarse threading applications, maintaining joint integrity under extreme vibration and dynamic loads. With partial threading and 50mm length, this fastener offers optimal grip range control for critical connections in structural and mechanical systems.

Specification Summary & Compliance

This metric 12-point screw features M12x1.75 coarse threads with Class 4h thread fit precision, ensuring consistent performance in industrial applications. The manufacturing follows standard metric specifications with a minimum thread length of 30mm and overall length of 50mm. The black-oxide surface treatment provides corrosion protection while maintaining dimensional accuracy. With Rockwell C38 hardness and 180,000 psi tensile strength, this fastener meets rigorous industrial requirements for heavy-duty mechanical fastening applications.