Simpson SDWS22300DB Description

The Simpson Strong-Tie Strong-Drive SDWS Timber screw is designed to provide an easy-to-install, high-strength alternative to through-bolting and traditional lag screws. Ideal for contractors and DIYers, it features a double-barrier coating for corrosion resistance, making it suitable for exterior and treated wood applications.

Simpson SDWS22300DB Includes

• (950) SDWS Timber Screws
• (2) T40 6-Lobe Driver Bits

Simpson SDWS22300DB Features

• SawTooth point ensures fast starts and reduces installation torque
• No predrilling required in most applications
• Bold thread design for superior holding power
• Underhead nibs allow flush installation with reduced splintering
• Large low-profile washer head provides maximum bearing area (0.760 in. head diameter)
• Size identification on screw heads
• 6-lobe T40 drive for positive engagement and improved bit life
• Double-barrier coating offers corrosion resistance equivalent to hot-dip galvanization
• Exterior grade for use in treated wood
• Washer head design for increased load distribution

Simpson SDWS22300DB Applications

• Wood-to-wood fastening in framing and construction
• Exterior wood projects requiring corrosion resistance
• Crating and packaging assemblies
• General structural connections in treated lumber
• Replacing lag screws and through-bolts in wood construction

Simpson SDWS22300DB Installation Overview

1. Select a low-speed 1/2 in. drill and T40 driver bit
2. Position the screw at the fastening point
3. Drive the screw until the washer head is flush with the surface
4. No predrilling required for most wood types
5. Ensure proper alignment and secure fit

Simpson SDWS22300DB Specifications

Diameter 0.220 in. Length 3 in. Head Diameter 0.760 in. Thread Length 1-1/2 in. Finish Double-Barrier Coating Color Tan Material Carbon Steel Drive Type T40 6-Lobe Head Type Washer Head Point Type SawTooth Packaging Type Bucket Quantity 950