Simpson 0.390 x 4" Strong-Drive SDHR COMBO-HEAD Screw Blue Zinc Grind / Sand / Polish Web stiffeners required for I-joist

Web stiffeners required for I-joist applications

38/12 reflects Simpson Strong-Tie's commitment to precision forming

(2) backplates - two backplates make up one complete connection

What finish options are available for this hanger

Titen HD anchors (included) are used to attach the hanger to the masonry surface

Simpson 0.390 x 4" Strong-Drive SDHR COMBO-HEAD Screw Blue Zinc Grind / Sand / Polish Web stiffeners required for I-joistThe Simpson Strong Drive SDHR Combo Head Screw is a heavy duty structural fastener engineered for cross laminated timber construction, mass timber assemblies, and general interior applications. Built with a partially threaded shank and a robust 0. 390 in. outer diameter, this blue zinc coated screw is purpose built to draw structural members tightly together while delivering exceptional connection strength in engineered wood and modular construction