--- product_id: 160669301 title: "Grip-Rite PTN3S1 3-Inch 8 Coarse Thread Exterior Screw with Bugle Head, 1 Pound" brand: "grip-rite" price: "$60.19" currency: USD in_stock: true reviews_count: 5 category: "Grip Rite" url: https://www.desertcart.us/products/160669301-grip-rite-ptn3s1-3-inch-8-coarse-thread-exterior-screw store_origin: US region: United States of America --- # Meets ASTM standards 75 screws per pound 3-inch length Grip-Rite PTN3S1 3-Inch 8 Coarse Thread Exterior Screw with Bugle Head, 1 Pound **Brand:** grip-rite **Price:** $60.19 **Availability:** ✅ In Stock ## Summary > 🔧 Elevate Your Projects with Grip-Rite Precision! ## Quick Answers - **What is this?** Grip-Rite PTN3S1 3-Inch 8 Coarse Thread Exterior Screw with Bugle Head, 1 Pound by grip-rite - **How much does it cost?** $60.19 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/160669301-grip-rite-ptn3s1-3-inch-8-coarse-thread-exterior-screw) ## Best For - grip-rite enthusiasts ## Why This Product - Trusted grip-rite brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **High Performance:** Coarse threads provide superior grip in various materials. - • **Precision Design:** Bugle head and sharp point ensure easy driving and a flush finish. - • **Professional Grade:** Meets or exceeds ASTM and UBC specifications for quality assurance. - • **Convenient Packaging:** Sturdy cardboard box with a view window for easy access and organization. - • **Unmatched Durability:** Engineered for exterior use, these screws are built to withstand the elements. ## Overview The Grip-Rite PTN3S1 3-Inch 8 Coarse Thread Exterior Screw is designed for professionals seeking reliability and performance. With approximately 75 screws per pound, these bugle head screws are perfect for outdoor applications, meeting stringent ASTM and UBC standards for quality. ## Description The Grip-Rite PTN3S1 3-Inch 8 Coarse Thread Exterior Screw with Bugle Head is a premium fastening solution designed for outdoor applications. Crafted with meticulous attention to detail, this screw stands out for its high-quality construction, offering durability and resilience in diverse weather conditions. The 8-coarse thread design provides superior holding power, ensuring a secure and reliable connection in various materials. The bugle head design of the screw is a key feature, contributing to a clean and flush finish. This not only enhances the aesthetic appeal of your projects but also minimizes the risk of surface damage during installation. Engineered for outdoor use, the screw is coated to resist corrosion effectively, providing added protection against the elements. Packaged in a convenient 1-pound container, the Grip-Rite PTN3S1 exterior screw offers a practical and efficient solution for your fastening needs. Whether you're working on decking, fencing, or other outdoor projects, this screw is designed to meet the demands of professional contractors and DIY enthusiasts alike. ## Features - QUICK AND EASY INSTALLATION: Secure your deck projects with Grip-Rite Exterior Screws. A sharp point penetrates materials quickly and smoothly, while the coarse thread secures a tight connection. Ideal for treated and untreated lumber. - EXTERIOR WOOD SCREWS: PrimeGuard coating protects against weather-related corrosion and rust. Made from steel for durability and strength. - PROFESSIONAL FINISH: Recess and bugle head creates a strong connection between the tooltip and fastener for confidence during driving and a smooth, countersunk finish. - FOR OUTDOOR PROJECTS: These wood screws provide a strong, long-lasting hold. Use them for exterior construction projects, such as wooden decking, fencing, and outdoor projects. - WE BUILD AMERICA: Since 1975, Grip-Rite has been your trusted partner. We deliver innovative and reliable solutions for the task at hand, day one through the lifetime of a project. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B000BOA9XI | | Brand | Grip-Rite | | Colour | grey | | Compatible Groove Diameter | 8 Millimeters | | Country Of Origin | USA | | Customer Reviews | 4.8 out of 5 stars 856 Reviews | | Drive System | Phillips | | Exterior Finish | Coarse | | Fastener Size | 3 in | | Fastener Type | Deck Screws | | Global Trade Identification Number | 00764666528536 | | Grade Rating | Industrial | | Head Style | Bugle | | Head Type | Bugle | | Included Components | Grip-Rite PTN3S1 3-Inch 8 Coarse Thread Exterior Screw with Bugle Head, 1 Pound | | Item Diameter | 0.16 Inches | | Item Dimensions | 8.9 x 11.4 x 4.4 Centimeters | | Item Type Name | Grip-Rite PTN3S1 3-Inch 8 Coarse Thread Exterior Screw with Bugle Head, 1 Pound | | Item Weight | 1 Ounces | | Item dimensions L x W x H | 8.9 x 11.4 x 4.4 Centimeters | | Manufacturer | Grip-Rite | | Material | Metal | | Material Type | Metal | | Metal Type | Alloy Steel | | Model | PTN3S1 | | Number Of Items | 1 | | Number of Pieces | 73 | | Part Number | PTN3S1 | | Point Style | Type A Point | | Screw Head Style | Bugle | | Screw Point Style | Type A Point | | Set Screw Thread Type | Coarse Thread | | Size Name | #9 x 3" | | Thread Class | 2B | | Thread Coverage | Partially Threaded | | Thread Size | 8 | | Thread Style | Coarse, Right Hand | | Thread Type | UNC | | UPC | 764666528536 | | Unit Count | 1.0 Count | | Warranty Description | TEN-YEAR warranty against rust and corrosion. | ## Product Details - **Material:** Metal - **Head Style:** Bugle - **Item dimensions L x W x H:** 3.5 x 4.5 x 1.75 inches - **Exterior Finish:** PrimeGuard Plus Ten - **Thread Size:** #8-3 ## Images ![Grip-Rite PTN3S1 3-Inch 8 Coarse Thread Exterior Screw with Bugle Head, 1 Pound - Image 1](https://m.media-amazon.com/images/I/61ygv314ECL.jpg) ![Grip-Rite PTN3S1 3-Inch 8 Coarse Thread Exterior Screw with Bugle Head, 1 Pound - Image 2](https://m.media-amazon.com/images/I/71POaikRoQL.jpg) ![Grip-Rite PTN3S1 3-Inch 8 Coarse Thread Exterior Screw with Bugle Head, 1 Pound - Image 3](https://m.media-amazon.com/images/I/51yCriK3U9L.jpg) ![Grip-Rite PTN3S1 3-Inch 8 Coarse Thread Exterior Screw with Bugle Head, 1 Pound - Image 4](https://m.media-amazon.com/images/I/61L631qaGfL.jpg) ![Grip-Rite PTN3S1 3-Inch 8 Coarse Thread Exterior Screw with Bugle Head, 1 Pound - Image 5](https://m.media-amazon.com/images/I/615LZOlTmoL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐ Review *by L***T on 26 June 2024* ### ⭐⭐⭐ Review *by L***C on 6 February 2026* ### ⭐⭐⭐⭐⭐ Review *by P***I on 6 November 2025* --- ## 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.us/products/160669301-grip-rite-ptn3s1-3-inch-8-coarse-thread-exterior-screw](https://www.desertcart.us/products/160669301-grip-rite-ptn3s1-3-inch-8-coarse-thread-exterior-screw) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-04-27*