Thread Diameter Chart: Major, Pitch, Minor

Introduction to Thread Diameters Thread diameters are fundamental parameters in screw thread design, defining the geometry for proper fit and function in mechanical assemblies. The major diameter represents the outermost dimension, the pitch diameter the effective...

公制内螺纹小径公差计算

Introduction to Metric Internal Thread Minor Diameter The minor diameter D1 of metric internal threads is critical for ensuring thread strength and assembly integrity in mechanical components. This parameter defines the smallest diameter of the internal thread,...