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12-18-2016, 01:59 PM
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#7 |
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Senior Member
Join Date: Sep 2016
Posts: 884
Likes: 209
Liked 311 Times in 175 Posts
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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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