Machine Screw and Stand-off Set – M3 Thread M2.5 Thread

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aymette
 
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Machine Screw and Stand-off Set – M3 Thread M2.5 Thread

Post by aymette »

Hi, I am in need of screws to attach some sensors to a corrugated plastic sheet. What is the difference between the M3 and M2.5 thread? Thanks.

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mikeysklar
 
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Re: Machine Screw and Stand-off Set – M3 Thread M2.5 Thread

Post by mikeysklar »

@aymette,

The M3 is .5mm wider diameter.

The fine thread pitch is different between the M2.5 and M3.

M2.5 fine thread pitch is 0.45
M3 fine thread pitch is 0.5

M2.5 and M3 course thread pitch are both 0.35

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HorstO
 
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Re: Machine Screw and Stand-off Set – M3 Thread M2.5 Thread

Post by HorstO »

Screenshot Fusion 360
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Screenshot 2022-05-04 at 13.18.49.png (17.07 KiB) Viewed 1306 times



Hi, I had a similar question, and I am not sure of the answer yet:
For the M2.5 Nylon screw set: https://www.adafruit.com/product/3658
Is the pitch 0.45 or 0.35?

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mikeysklar
 
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Re: Machine Screw and Stand-off Set – M3 Thread M2.5 Thread

Post by mikeysklar »

Those are 0.45 thread.

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