0.195" x 4" Strong-Tie SDWH19400DB Timber Hex Screw - Double Barrier Coating, Pkg 800 Zinc Large Diameter Concrete Screws are made with type 316

are made with type 316 and type 304 stainless steel

Manufactured from durable steel and available in multiple size options

#3 Phillips drive: Common and easy-to-use drive system for fast installation

Flexible design: #7 Roofjack size fits pipe sizes from 5-1/2" - 11-1/2"

The clips have been designed to enable easy installation on the open side of studs or joists with flanges up to 3" long and return lips up to 3/4"

0.195" x 4" Strong-Tie SDWH19400DB Timber Hex Screw - Double Barrier Coating, Pkg 800 Zinc Large Diameter Concrete Screws are made with type 316The Simpson Strong Tie Strong Drive SDWH Timber Hex Screw is built for big jobs where strength, holding power, and reliability matter. With a rugged hex head design, these screws are easy to drive and deliver code approved performance in structural and general purpose wood framing applications. Whether youre building decks, framing heavy timber, or tackling a DIY project, the SDWH Timber Hex gives you the muscle you need with features that make