Simpson 0.390 x 4" Strong-Drive SDHR COMBO-HEAD Screw Blue Zinc Chamfer and 60T Ironworkers

and 60T Ironworkers

Handles hard and engineered wood without pre-drilling - the sharp point is engineered to penetrate dense and composite deck board materials directly

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

A Portable Power Unit (230V

Replacement Circular Saw Blades for BNCE-20 - CLICK HERE

Simpson 0.390 x 4" Strong-Drive SDHR COMBO-HEAD Screw Blue Zinc Chamfer and 60T IronworkersThe 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