Thread: Continuing Thread: What Are You Fix-It'ing Today?
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1990C4S 1990C4S is offline
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Join Date: Sep 2009
Location: North of You
Posts: 9,160
GRK fastners look like that. So do Trex screws. But they are typically much longer...

https://www.gib.co.nz/products/fasteners-and-gib-handibrac/gib-grabber-dual-thread-screw/

https://www.jcyscrews.com/wood-screws/wood-screws.html
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Last edited by 1990C4S; 07-31-2023 at 08:53 AM..
Old 07-31-2023, 08:50 AM
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