Simpson Strong-Tie SDWS22400DB Description

The Simpson Strong-Tie Strong-Drive SDWS Timber screw offers a high-strength, easy-to-install alternative to traditional lag screws and through-bolting. Designed for wood-to-wood fastening, its double-barrier coating provides superior corrosion resistance for exterior and treated wood applications.

Simpson Strong-Tie SDWS22400DB Includes

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

Simpson Strong-Tie SDWS22400DB 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 driving with reduced splintering
• Large low-profile washer head for maximum bearing area (0.760 in. head diameter)
• 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
• Exterior grade for use in treated wood
• Washer head design for increased load distribution

Simpson Strong-Tie SDWS22400DB Applications

• Wood-to-wood fastening in framing and construction
• Crating and heavy-duty wood assemblies
• Exterior projects requiring corrosion resistance
• Alternative to lag screws and through-bolting

Simpson Strong-Tie SDWS22400DB Installation Overview

1. Use a low-speed 1/2-in. drill for installation
2. Install with included T40 6-lobe driver bit
3. Drive screw until washer head is flush with the wood surface
4. No predrilling required in most wood applications

Simpson Strong-Tie SDWS22400DB Specifications

Diameter 0.220 in. Length 4 in. Head Diameter 0.760 in. Thread Length 2-3/8 in. Finish Double-Barrier Coating Color Tan Drive Type T40 6-Lobe Head Type Washer Head Point Type SawTooth Point Material Carbon Steel Packaging Quantity 600 Packaging Type Bucket UPC 746056005223

NOTE: For optimal performance, use the correct fasteners and install them in the specified positions as outlined by the manufacturer.