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Old 12-18-2016, 01:13 PM   #1
jimmyparker
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Default Re: classic dominator siding screws

Thanks for the help, a #2 square did the job although it didn't make sense to me!!
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Old 12-18-2016, 01:53 PM   #2
FED 387
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Default Re: classic dominator siding screws

They use that style of drive because you can drive the screw in from an odd angle and also they do not strip out the square drive area like a Phillips drive will. FES 387
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Old 12-18-2016, 01:59 PM   #3
Hacksaw
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Default Re: classic dominator siding screws

That screw head was designed by a Canadian named Robertson somewhere in the 1950's. Four sizes matched to a colour. Smallest being yellow, then green, red and black. Never got popular in the States but they really work well, stay on the end of your driver bit and don't strip easily.
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Old 12-18-2016, 05:06 PM   #4
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Default Re: classic dominator siding screws

We saw a lot of them in the marine industry in late 50s and the sixtys. Good fastener, lots better than a phillips. Still see them a lot in the electrical industry.
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Old 12-21-2016, 12:15 PM   #5
340Cuda
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Default Re: classic dominator siding screws

Quote:
Originally Posted by Hacksaw View Post
That screw head was designed by a Canadian named Robertson somewhere in the 1950's. Four sizes matched to a colour. Smallest being yellow, then green, red and black. Never got popular in the States but they really work well, stay on the end of your driver bit and don't strip easily.
Does anyone know where the screws can be purchased? A few of mine have rusted for some reason and it would be nice to match the rest of them.

Thanks,
Bill
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Old 12-21-2016, 12:57 PM   #6
FED 387
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Default Re: classic dominator siding screws

McMaster Carr sells them they are listed as PAN HEAD SQUARE DRIVE screws ---lots of diameters and lengths as well as material zinc coated/stainless steel etc. to choose from--- come in pkgs of 100---FED 387
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