--- product_id: 237987747 title: "GRK Fasteners RSS™ 5/16 x 4 Rugged Structural Screws, SS 305, 45 PCS" brand: "grk" price: "1503 kr" currency: NOK in_stock: true category: "Grk" url: https://www.desertcart.no/products/237987747-grk-fasteners-rss-5-16-x-4-rugged-structural-screws store_origin: NO region: Norway --- # 3x faster installation Coastal-grade rust resistance ESR-2442 structural code approved GRK Fasteners RSS™ 5/16 x 4 Rugged Structural Screws, SS 305, 45 PCS **Brand:** grk **Price:** 1503 kr **Availability:** ✅ In Stock ## Summary > 🔩 Build Stronger, Faster, and Smarter with GRK RSS Rugged Screws! ## Quick Answers - **What is this?** GRK Fasteners RSS™ 5/16 x 4 Rugged Structural Screws, SS 305, 45 PCS by grk - **How much does it cost?** 1503 kr with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.no](https://www.desertcart.no/products/237987747-grk-fasteners-rss-5-16-x-4-rugged-structural-screws) ## Best For - grk enthusiasts ## Why This Product - Trusted grk brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **W-Cut™ Thread Design:** Reduces driving torque by 40%, delivering smoother, faster screw insertion with minimal wood splitting. - • **Zip-Tip™ Tech for Speed:** Skip pre-drilling and install up to 3x faster than lag screws, saving you time on every project. - • **Rust-Resistant Stainless Steel:** Premium 305 stainless steel withstands moisture and coastal environments—perfect for docks, decks, and boardwalks. - • **Engineered for Structural Strength:** ICC-ES ESR-2442 approved for heavy-duty framing and multi-ply beams, ensuring professional-grade reliability. - • **Star/Torx Drive with 6-Point Contact:** Prevents stripping and wobble, giving you maximum control and durability on every fastener. ## Overview The GRK RSS 5/16 x 4 Rugged Structural Screws are premium stainless steel fasteners engineered for heavy-duty wood framing and decking. Featuring patented Zip-Tip™ technology, these screws install 3x faster without pre-drilling, while their ICC-ES ESR-2442 certification guarantees structural integrity. Coastal-grade corrosion resistance and a W-Cut™ thread design reduce torque and prevent wood splitting, making them the go-to choice for professionals and DIYers tackling demanding projects in moisture-prone environments. ## Description The GRK RSS Rugged Structural Wood Screw is a professional-grade fastener designed for heavy-duty framing, decking, and construction projects. These premium screws deliver superior performance in applications, including deck building, timber framing, laminated beams, pole barns. GRK’s stainless steel screws, provide superior corrosion resistance, making these construction screws ideal for applications exposed to corrosive environments. Use 305 stainless steel screws for applications such as pool decking, docks, boardwalks, and lake piers. The patented Fast Bite Tip and Zip-Tip™ technology eliminates the need for pilot holes, while the W-Cut™ design ensures smooth, low-torque driving in all wood types. ICC-ES ESR-2442 approved for structural applications, these self-drilling screws are trusted by professional builders and DIYers alike. The star drive head with 6-points of contact prevents cam outs and head stripping, making these wood screws the choice for demanding construction and home improvement projects. ## Features - Heavy Duty Lag Screw Alternative: Eliminates pre-drilling in most woods with Zip-Tip technology. Installs 3x faster than traditional lag screws - ESR-2442 Code Approved For Structural Applications: Engineered for professional-grade connections in heavy duty framing, multi-ply beams, and timber framing. Integrated washer head delivers maximum clamping force for zero-gap joints in LVL, LSL, and engineered lumber. - Coastal Grade: Rust resistant stainless steel provides extra durability for high moisture environments such as pool decking, docks, boardwalks, etc. - W-cut Thread Design: Reduces installation torque by 40% for smoother, faster driving. CEE threads minimize splitting in dense hardwoods, engineered lumber, and laminated beams. - Precision Engineering: Star/Torx drive recess with 6 points of contact prevents stripping and minimizes wobble between screws and bits. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07Z5CYG3L | | Best Sellers Rank | #185,377 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #1,306 in Wood Screws | | Brand | GRK | | Color | 305 Stainless | | Compatible Groove Diameter | 0.31 inches | | Customer Reviews | 4.6 4.6 out of 5 stars (21) | | Drive System | Torx | | Exterior Finish | 305 Stainless | | Fastener Size | 5/16" x 4" | | Fastener Type | Self-Tapping Screw | | Finish Types | Stainless Steel | | Global Trade Identification Number | 00092097622258 | | Grade Rating | Premium | | Head Type | Washer | | Included Components | Structural Screws | | Item Diameter | 0.31 inches | | Item Dimensions | 2.5 x 3.5 x 6.75 inches | | Item Type Name | Structural Screws | | Item Weight | 2.4 ounces | | Manufacturer | GRK | | Material Type | Stainless Steel | | Metal Type | Stainless Steel | | Model | 62225 | | Number Of Items | 40 | | Number of Pieces | 40 | | Outside Diameter | 0.31 inches | | Part Number | 62225 | | Screw Head Style | Washer Head | | Screw Point Style | Type G Point | | Set Name | 40-Piece Set | | Set Screw Thread Type | Aggressive | | Size Name | 5/16" x 4" | | Thread Class | Standard | | Thread Coverage | Partially Threaded | | Thread Size | 5/16" x 4" | | Thread Style | Right Hand | | Thread Type | Aggressive | | UPC | 092097622258 | | Unit Count | 40 Count | ## Product Details - **Exterior Finish:** 305 Stainless - **Head Style:** Washer Head - **Item dimensions L x W x H:** 2.5 x 3.5 x 6.75 inches - **Material:** Stainless Steel - **Thread Size:** 5/16" x 4" ## Images ![GRK Fasteners RSS™ 5/16 x 4 Rugged Structural Screws, SS 305, 45 PCS - Image 1](https://m.media-amazon.com/images/I/31aPD4eSukL.jpg) ![GRK Fasteners RSS™ 5/16 x 4 Rugged Structural Screws, SS 305, 45 PCS - Image 2](https://m.media-amazon.com/images/I/51jZNmynRwL.jpg) ![GRK Fasteners RSS™ 5/16 x 4 Rugged Structural Screws, SS 305, 45 PCS - Image 3](https://m.media-amazon.com/images/I/41eephxUzeL.jpg) ![GRK Fasteners RSS™ 5/16 x 4 Rugged Structural Screws, SS 305, 45 PCS - Image 4](https://m.media-amazon.com/images/I/41ESd7TkmPL.jpg) ![GRK Fasteners RSS™ 5/16 x 4 Rugged Structural Screws, SS 305, 45 PCS - Image 5](https://m.media-amazon.com/images/I/41bwGClyngL.jpg) ## Available Options This product comes in different **Size, Number Of Items** options. --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.no/products/237987747-grk-fasteners-rss-5-16-x-4-rugged-structural-screws](https://www.desertcart.no/products/237987747-grk-fasteners-rss-5-16-x-4-rugged-structural-screws) --- *Product available on Desertcart Norway* *Store origin: NO* *Last updated: 2026-10-27*