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Top-flange design: Preserves fire-rating with 1" member-to-wall gap
5-inch lally columns and 7 LVL/PSL/LSL girders but is also available in a wide range of other sizes
Unlike traditional L-bolts or J-bolts that are embedded before concrete is poured
It installs easily using Strong-Drive SDS heavy-duty connector screws
0.195" x 6" Strong-Tie SDWH19600DB-R50 Timber Hex Screw - Double Barrier Coating, Pkg 50 Deck Screws Top-flange design: Preserves fire-rating withThe Simpson Strong Tie Strong Drive SDWH Timber Hex Screw is built for big jobs where strength, holding power, and reliability matter. With a rugged hex head design, these screws are easy to drive and deliver code approved performance in structural and general purpose wood framing applications. Whether youre building decks, framing heavy timber, or tackling a DIY project, the SDWH Timber Hex gives you the muscle you need with features that make