suppliers of small self tapping screws (#0 and #00)

spoolman

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does anyone know of a supplier of small self tapping screws that will ship to Canada or are in Canada. Apparently McMaster-Carr does not ship to Canada.

Doug
 
  • gordrob
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AgX

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Alternatively precut the thread and use non-tapping screws instead. Worked for me and should be the most easy solution for many DIY application, as non-tapping screws are more eaysy to obtain.
 

Bill Burk

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Taps aren’t a bad idea. I have 1-72, 0-80 and 00-90 with the corresponding drills and a variety of screws and nuts that come in handy from time to time.

Sometimes you can just twist the taps between fingers
 

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AgX

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I was not referring to readymade taps, as typically these would be even harder be to obtain, if at all. (So far I only once came across self-tapping screws at an appliance that were of classic, metrical thread.)
 

BMbikerider

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How 'small' were you thinking about?
 

AgX

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See title: sizes #0 and #00 (whatever this is..., maybe a reference to a Philips head)
 

AgX

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Thank you! We have not got such system in Europe.
 

Bill Burk

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In the US, really good toy stores carry screws in the model / RC car / train section. My favorite toy store closed down so not sure where to go next.

Here is a decent chart showing these small sizes.

https://pages.mtu.edu/~suits/misc/tapsizes.htm

Three common small (US) sizes, for example, you would be a #53 drill for a 1-72 tap. #55 drill for a 0-82 tap and a #61 drill for 00-90.

For reference, you probably know a common larger size, #7 drill for a 1/4-20 ( tripod mount ).



This chart is helpful but doesn’t show the smaller sizes.

https://www.gfii.com/images/Greenfield_Tap_Drill_Recommendations.pdf
 

MattKing

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If you can find a business selling model trains and cars, they might be able to help.
 

BMbikerider

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AgX said:
See title: sizes #0 and #00 (whatever this is..., maybe a reference to a Philips head)
Click to expand...

I have no idea either.
 

NB23

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Would this work ?
 

AgX

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AgX said:
Alternatively precut the thread and use non-tapping screws instead. Worked for me and should be the most easy solution for many DIY application, as non-tapping screws are more eaysy to obtain.
Click to expand...


Well, my reply was due to one of these terminology misunderstandings again...

In Germany we understand by self-tapping a screw that actually cuts its own thread, in similar way as a thread tap does. Actually these exist in metrical threads, though for some reason I had now versions with non-standard threads in mind. And as said I turned a non-tapping, non-standard-thread screw into a tap for other samples.

Basically each classic (old) wood screw is self-tapping in the meaning of this thread, but they got an unfavourable shaft/thread ratio, so that often they need pre-drilling, so that screws with straight shafts and other ratios were designed.
 
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