Simpson Strong Tie SDWS22900-R50 9" x .220 Timber Screws (Interior Grade) 50ct

• SawTooth point ensures fast starts, reduces installation torque and eliminates the need for predrilling in most applications
• Serrated thread reduces splitting and damage
• Large, low-profile .075"-diameter washer head with nibs provides maximum bearing area and makes countersinking easy
• 6-lobe, T40 drive provides positive engagement that makes the screw easy to drive and improves bit life (replacement driver bit: BIT40T-134)

Applications

• Surface splines, lap joints, timber framing, ledgers, log-home construction and general interior applications
• Testing in a variety of mass timber applications is underway