What are GRK fasteners used for?

GRK JTS Screws are incredibly heavy duty fasteners for roof and floor construction. They are also frequently used in projects such as ledger boards, retaining walls, and log and timber framing. The threads of these screws are very sharp, allowing them to instantly cut into materials – even hardwood – without splitting.

What is a GRK RSS screw?

RSS Rugged Structural Screw is an easy to install lag alternative. W-CutTM provides low installation torque which allows for fast driving and ease of install. Zip-TipTM allows for faster penetration. Unique thread design draws two substrates together while washer head allows zero gap joints.

Are GRK screws stronger?

GRK is a premium screw available only at contractor-oriented lumberyards and online. Structural screws (also called “construction” screws) are stronger than lags and make longer-lasting connections. You can just zip them in with any 18-volt drill (no pilot hole required).

Are GRK screws good for exterior?

GRK products are Climatek™ coated, approved for use in treated lumber, and designed for both interior and exterior use.

Can GRK screws be used in pressure treated lumber?

GRK fasteners are ICC code approved for exterior use in ACQ pressure treated lumber and have the strength to meet all your general construction needs. A building inspector will be able to use an ESR report to code approve your construction projects.

Can you use GRK screws for framing?

For use in framing, floor work, decking top boards, railings, and other remodeling applications. For use in interior and exterior conditions, and the GRK Climatek coating is approved for use in treated lumber.

Are GRK screws stainless steel?

They’re made of hardened 305-grade stainless steel and are perfect for interior or exterior use.

Are GRK screws good for pressure treated wood?

Do GRK screws need pilot hole?

They require you to drill a pilot hole, which is fussy and time-consuming work. Instead, we suggest picking up some Spax or GRK construction screws.

Do GRK screws need to be pre drilled?

No pre-drilling required for most GRK products, unless required or specified by building material. Always place deck boards with outer edge of growth rings facing up (bark side up). Do not use deck cleaners which contain bleach with coated metals.

Can you frame with GRK screws?

Will GRK screws rust?

Designed for interior/exterior use, the golden finish nicely matches most wood finishes. GRK’s Stainless Steel Screws are made from 305 grade wire which will not rust.