![four inch sdws timber screw side profile from simpson](http://deckandrailsupply.com/cdn/shop/files/F_SDWS22400DB_4InScrew.jpg?v=1684266869&width=1946)
![Simpson strong tie photo of five inch sdws timber screw](http://deckandrailsupply.com/cdn/shop/files/F_SDWS22400DB_5InScrew.jpg?v=1684266869&width=1946)
![SDWS simpson timber screw 5 inch the left and sdws 4 inch screw shown on the right](http://deckandrailsupply.com/cdn/shop/files/20230510_104137.jpg?v=1684266869&width=1946)
![Simpson Strong Tie four inch sdws timber screw](http://deckandrailsupply.com/cdn/shop/files/20230510_104229.jpg?v=1684266869&width=1946)
![SDWS tor head driver washer head for heavy tensioning](http://deckandrailsupply.com/cdn/shop/files/20230510_104242.jpg?v=1684266869&width=1946)
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Simpson Strong-Tie .220 x 4" Strong-Drive SDWS Timber Screws
Regular price
$0.65
Sale price
$0.65
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SDWS Timber Screws are Double-Barrier Coated and have a 22d or .22" shank diameter, along with a .75" head diameter. Sdws Screws work great as ledger fasteners and posts. fasteners and have a SawTooth Point which drives nicely into treated wood. Screws are tan in color and are fastened with a torx T-40 bit.
Post Fasteners
Simpson Strong-Tie .220 x 4" Strong-Drive SDWS Timber Screws
![four inch sdws timber screw side profile from simpson](http://deckandrailsupply.com/cdn/shop/files/F_SDWS22400DB_4InScrew.jpg?v=1684266869&width=533)
Simpson Strong-Tie .220 x 4" Strong-Drive SDWS Timber Screws
Regular price
From $0.65
Sale price
From $0.65
Regular price
Caliburn XL 19/64" Concrete Screw Lag
![Caliburn XL 19/64" Concrete Screw Lag](http://deckandrailsupply.com/cdn/shop/files/20230510_103828.jpg?v=1684268136&width=533)
Caliburn XL 19/64" Concrete Screw Lag
Regular price
From $1.69
Sale price
From $1.69
Regular price