These GRK screws are thin enough to prevent most material splitting while still providing sufficient strength to guarantee a secure installation.

These GRK decking screws, with their exceptionally small head, along with the W-Cut® thread design, prevent most material splitting.

These GRK screws have an integrated washer head and is complemented with a rubber washer below the screw head.

GRK screws are perfectly suited to meet professional as well as do-it-yourself needs.

In the fastener marketplace, Simpson Strong-Tie stands apart from the rest. Quality and reliability is our top priority.

Simpson Strong-Tie manufactures wood connectors for decks & fences, DIY Products, Engineered Wood & Structural Composite Lumber, Holdowns, Plated Truss, Solid Sawn, Straps and Ties.

Whatever deck style or colors you choose, TimberTech has engineered durable, reliable fastening options to make installation easy – and the results attractive.