Simpson Strong-Tie SDHR31400 Description

The Simpson Strong-Drive SDHR Combo-Head screw is a structural fastener designed for cross-laminated timber construction, mass timber construction, and general interior applications. These partially-threaded structural fasteners are designed to pull structural members together while providing excellent connection strength.

Simpson Strong-Tie SDHR31400 Includes

• (100) Strong-Drive SDHR Combo-Head Screw

Simpson Strong-Tie SDHR31400 Features

• Designed for use with steel side plates
• Can be driven by either a hex-head or 6-lobe driver bit
• Heavy-duty, partially threaded shaft with knurl provides strength, with superb pull-out resistance
• Type-17 point ensures fast starts, reduces installation torque and eliminates the need for predrilling in most applications
• Deep T40, 6-lobe recess for a secure drive
• Interior grade blue-zinc coating

Simpson Strong-Tie SDHR31400 Applications

• Steel-to-wood connections
• Cross-laminated timber construction
• Mass timber construction
• General interior applications

Simpson Strong-Tie SDHR31400 Specifications