Simpson Strong-Tie SDHR31614-R25 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.

Simpson Strong-Tie SDHR31614-R25 Includes

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

Simpson Strong-Tie SDHR31614-R25 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 SDHR31614-R25 Applications

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

Simpson Strong-Tie SDHR31614-R25 Installation Overview

1. Verify dimensions and alignment of the wood and steel members.
2. Position the screw at the desired location.
3. Drive the screw using either a hex-head or T40 6-lobe driver bit.
4. Ensure the screw is fully seated and secure.

Simpson Strong-Tie SDHR31614-R25 Specifications

NOTE: Ensure screws are installed into the face or side grain of the wood main member with the screw axis at a 90-degree angle to the wood surface.