Simpson 0.390 x 4" Strong-Drive SDHR COMBO-HEAD Screw Blue Zinc Specialty Fasteners What type of joist or

What type of joist or beam is this hanger designed to support

Built around a solid cast iron foundation and driven by a continuous-duty motor

Head tilts left or right for enhanced positioning versatility

helping to effectively distribute load from the beam and provide solid support throughout the connection

and reduce drill bit wear

Simpson 0.390 x 4" Strong-Drive SDHR COMBO-HEAD Screw Blue Zinc Specialty Fasteners What type of joist orThe 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