Why ISO Metric Threads Use a 60° Angle | Mechanical Engineering #ThreadFundamentals#SolidWorks

Why do ISO Metric Threads use a 60° thread angle?

In this episode of Thread Fundamentals, we explore the thread angle, one of the most important geometric parameters in screw thread design.

The thread angle is the angle between the flanks of the thread profile. In the ISO Metric Thread System, this angle is standardized at 60 degrees. This design provides a balance between strength, manufacturability, and load distribution, making it suitable for most mechanical fastening applications.

⚙️ In this short lesson you will learn:

• What a thread angle is in screw threads
• Why ISO metric threads use a 60° angle
• How thread angle affects strength and load distribution
• Where metric threads are used in industrial engineering and machine design

Understanding thread geometry is essential for mechanical engineers, design engineers, CAD designers, and manufacturing professionals who work with fasteners, bolts, and screw threads.

This video is part of the Thread Fundamentals series, designed to simplify mechanical design concepts for engineers and students.

📚 Series: Thread Fundamentals
🎓 Topic: Mechanical Fasteners & Thread Geometry
🛠 Audience: Mechanical Engineering Students | Design Engineers | SolidWorks Users

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