Metric Thread Table - Fine Pitch (M1-M28)

What Are Thread Dimension Metrics?

Thread dimension metrics refer to the standardized measurements used to specify the physical properties of threaded components. These metrics include pitch, diameter, and thread profile, ensuring compatibility and uniformity across various applications. Understanding these metrics is crucial for selecting the right threaded component for any given task.

Advantages of Fine Threads

✅ Size for size a fine pitch thread is stronger than a coarse pitch thread in both in tension and shear.

✅ The smaller pitch allows for finer adjustment for applications that require precise adjustment.

✅ Fine threads are more easily tapped into hard materials and thin-walled pipes.

✅ Less torque is required to achieve the same level of preload compared to coarse threads.

✅ Fine threads have a smaller incline to coarse threads so they are less likely to loosen.

Disadvantages of Fine Threads

❌ Fine threads are more susceptible to being damaged from contaminates.

❌ More care has to be taken when assembling parts with fine threads, making them unsuitable for high-speed assembly.

❌ Parts require longer thread engagement.

d=D:Major Diameter
p:Pitch
r:Root Radius
d2=D2:Pitch Diameter

d3: Minor Diameter Male Thread
D1:Minor Diameter Female Thread
h3:Thread Height Male
H1:Thread Height Female

Metric Thread Table - Fine Pitch (M1-M28)

For Metric Thread Table - Fine Pitch (M30-M64) clickhere

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