Simpson Structural Screws SDWS22400DB-R50 .22-Inch by 4-Inch with T-40 drive Exterior Structrual Wood Screw， 50-Pack</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>Type T-40 Bit required with deep 6-lobe recess to prevent cam-out</li><li>Low-profile heads allow hardware installation to be virtually flush</li><li>Head is stamped with Simpson Strong Tie Stamp and fastener length for easy identification</li><li>Bold thread design provides superior holding power and cInches fastened members together for consistent installation</li><li>Tan double barrier double coating for exterior applications</li></ul></div></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br><img src='http://ecx.images-amazon.com/images/I/21Z3UkP7UbL.jpg' noproxy></br>