Simpson SDWS22400DBMB Description

The Strong-Drive SDWS Timber Screw is an exterior-grade fastener designed for wood-to-wood connections, featuring a double-barrier coating for corrosion resistance and a SawTooth point for fast starts.

Simpson SDWS22400DBMB Includes

• (250) 0.220 in. x 4 in. Timber Screw

Simpson SDWS22400DBMB Features

• Bold thread design provides superior holding power
• SawTooth point ensures fast starts and reduces installation torque
• Underhead nibs allow for flush driving with reduced splintering
• Large washer head provides a large bearing area
• Size identification on all SDWS screw heads
• 6-lobe T40 drive for positive engagement and improved bit life
• Double-barrier coating for corrosion resistance equivalent to hot-dip galvanization

Simpson SDWS22400DBMB Applications

• Structural wood-to-wood connections including ledgers
• Mass timber connections including CLT wall-to-wall, floor-to-floor, surface splines, and lap joints

Simpson SDWS22400DBMB Specifications

NOTE: The correct fasteners installed in the correct position must be used to achieve published load values