Simpson Strong-Tie 0.669" x 4" SDHR Metal-To-Wood Combo-Head Screw - Black E-Coat, Qty. 100 Pocket Hole Screws Expandability: Compatible with Snap-Loc connector

Expandability: Compatible with Snap-Loc connector straps and accessories (sold separately)

Shank Type: Smooth shank design for easy driving and secure fastening

Weld-On Applications: Can be welded onto steel members with a minimum 1 1/2-inch-long fillet weld on each side of the top flange

or switching to flat dolly mode for bulky loads

Simpson Strong-Tie 0.669" x 4" SDHR Metal-To-Wood Combo-Head Screw - Black E-Coat, Qty. 100 Pocket Hole Screws Expandability: Compatible with Snap-Loc connectorThe Simpson Strong Tie SDHR Combo Head screw is built for speed, strength, and versatility in fastening cold formed steel (CFS) to wood. Designed for indoor applications, this self drilling screw features a #3 drill point that quickly penetrates steel up to 16 gauge thick, making it a reliable choice for contractors working in light framing, mechanical fastening, or general construction jobs. Its combo head design allows installation with either a