Simpson Strong-Tie SDW22438MB Description

The Strong-Drive SDW Truss-Ply Screw is designed for joining plated trusses and solid sawn lumber, featuring optimized lengths for fastening multi-ply trusses and beams.

Simpson Strong-Tie SDW22438MB Includes

• (200) 4-3/8 in. Strong-Drive SDW Truss-Ply Screws

Simpson Strong-Tie SDW22438MB Features

• Large washer head with nibs for maximum bearing area
• 6-lobe, T40 drive for positive engagement
• Low-profile head for reduced interference
• Higher shear values for wider spacing
• Bold thread design for superior holding power
• SawTooth point for fast starts and reduced torque

Simpson Strong-Tie SDW22438MB Applications

• Truss-ply fastening for multi-ply trusses and beams
• Joining plated trusses and solid sawn lumber

Simpson Strong-Tie SDW22438MB Installation Overview

1. Install screws without pre-drilling
2. Fasten multi-ply trusses from one side without flipping assemblies

Simpson Strong-Tie SDW22438MB Specifications

Fastener Type Hand-Drive Screw Application Fastening Wood-to-Wood Coating/Material E-Coat Electrocoating Length 4-3/8 in. Head Diameter 0.760 in. Shank Diameter 0.220 in. Drive Type T40 6-Lobe Head Type Low Profile Head Thread Length 1-3/8 in. Point Type SawTooth Point Packaging Quantity 200

NOTE: If assembly is less than or equal to 4 9/16 inches thick, use the SDW22438. If assembly is less than or equal to 6 3/16 inches thick, use the SDW22600.