Simpson Strong-Tie SDHR31400-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. It features a robust knurled shaft and Type-17 point for fast starts and low-torque driving.

Simpson Strong-Tie SDHR31400-R25 Includes

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

Simpson Strong-Tie SDHR31400-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 SDHR31400-R25 Applications

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

Simpson Strong-Tie SDHR31400-R25 Specifications