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Old 01-23-2016, 02:11 PM   #1
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metric screws?


Chinese made electrical heater has torx screws.
I wish to replace them with normal screws as it has to be taken apart for cleaning.
they are the type that screws into plastic. not nut and bolt type.
they are between a 6 and an 8 non metric.
someone measured them as 4 mil. the thread part is about 1 and a 1/2 CMs.
what do I order!
what are they called.
I am in Canada but everything in the local stores aint metric!
thanks all

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Old 01-23-2016, 03:24 PM   #2
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just buy a torx bit, lots of things are put together that way, a set is cheap.. http://www.amazon.com/Bosch-CC90396-...ords=torx+bits

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Old 01-23-2016, 07:01 PM   #3
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Torx is an excellent drive type. Why do you want to replace them?
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Old 01-23-2016, 07:18 PM   #4
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In my town anyway, Home Depot & Ace Hardware sell metric screws.
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Old 01-23-2016, 07:26 PM   #5
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They are pretty terrible torx screws! A real pane to remove.
All stores round here have nothing like it.
So I would have to order the replacements online in Canada
Thanks
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Old 01-23-2016, 08:01 PM   #6
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A screw that does not come out easily is normally considered a good thing. At least the Torx drive allows you to readily put a lot of torque on the screw without the screwdriver camming out.

If I understand you correctly, those are self tapping screws made for plastic. You are very unlikely to find something like that at a hardware store. Could actually be a proprietary thread form. But make sure the thread matches exactly or you will strip out the plastic piece.
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Old 01-24-2016, 12:49 PM   #7
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apparently they are tamperproof. so the correct screw driver barely fits.
thanks all
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Old 01-24-2016, 01:08 PM   #8
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you need this then...http://www.harborfreight.com/100-pc-...ase-68457.html
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Old 01-24-2016, 02:11 PM   #9
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Not sure what hdwe stores you have in Canada , but my Ace hdwe has a sample board with nuts & screws so a guy can indentify what thread he has .

The next place would be Fastenal or something similar .
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Old 01-25-2016, 03:30 PM   #10
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Quote:
Originally Posted by ShtRnsdownhill View Post
I have the correct screwdriver.
Thanks
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Old 01-25-2016, 03:35 PM   #11
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Quote:
Originally Posted by dd57chevy View Post
Not sure what hdwe stores you have in Canada , but my Ace hdwe has a sample board with nuts & screws so a guy can indentify what thread he has .

The next place would be Fastenal or something similar .
Called the local fastenal. No metric. Thanks
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Old 01-25-2016, 04:20 PM   #12
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Probably the largest fastener wholesaler in Canada is a company called Spaenaur.

Give their Customer Service people a call at 1-800-265-8772 and describe what you need. They should be able to give you a page range on their online catalogue where you can identify the kind of screw you're looking for. You'd then have to order that same screw with a different drive or different head from any place that deals with Spaenaur. Almost every place listed under "Nuts & Bolts" or "Fasteners" in your yellow pages phone directory will deal with Spaenaur, but some of them might have minimum orders.

If Spaenaur doesn't have it, it's not made.
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Old 01-27-2016, 01:18 PM   #13
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will give them a call.
thanks
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Old 02-01-2016, 02:08 PM   #14
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Spaenaur. says the have no metric self tapping screws.
thanks
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Old 02-01-2016, 02:11 PM   #15
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post a picture of the screw next to a ruler for sizing..

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