Simpson 0.390 x 4" Strong-Drive SDHR COMBO-HEAD Screw Blue Zinc Chamfer providing multiple layers of operator

providing multiple layers of operator protection

and 60T Ironworkers

Replacement Circular Saw Blades for BNCE-20 - CLICK HERE

the checkered head pattern blends with wood grain and accepts stains or surface coatings

Manufacturer Part Number (MPN): BA9-1008136

Simpson 0.390 x 4" Strong-Drive SDHR COMBO-HEAD Screw Blue Zinc Chamfer providing multiple layers of operatorThe 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