The unique design of the SDWF enables it to attach upper and lower walls together from the top

3 USS Flat Washer Plain

3/4-10 x 6 1/2 A307A Hex Bolt Hot Dipped Galvanized

13/32 x 12 High Speed Aircraft Bit Cobalt

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FastenMaster FlatLok 4" Structural Wood Screw 50 pc box 3/8-16 Grade 5 Hex Cap Screws Plain - Domestic USA The unique design of theThis 50 piece box of FastenMaster FlatLok Structural Wood Screws is rated for increased strength compared to non structural wood screws. The 4" screws feature a durable, corrosion resistant, hex washer head, providing a secure fit and making them suitable for a range of indoor and outdoor woodworking applications.