--- product_id: 39420469 title: "Hard to Find Fastener Fine Thread Coupling Nuts, Secure Connection Fasteners for Home Improvement, DIY, Construction, 5/16-24, Pack of 5" brand: "hard-to-find fastener" price: "VT5688" currency: VUV in_stock: true reviews_count: 8 category: "Hard To Find Fastener" url: https://www.desertcart.vu/products/39420469-hard-to-find-fastener-fine-thread-coupling-nuts-secure-connection store_origin: VU region: Vanuatu --- # Fine-threaded precision Hex exterior for wrench grip Zinc-plated corrosion resistance Hard to Find Fastener Fine Thread Coupling Nuts, Secure Connection Fasteners for Home Improvement, DIY, Construction, 5/16-24, Pack of 5 **Brand:** hard-to-find fastener **Price:** VT5688 **Availability:** ✅ In Stock ## Summary > 🔧 Secure your projects with precision and style—don’t let your build be basic! ## Quick Answers - **What is this?** Hard to Find Fastener Fine Thread Coupling Nuts, Secure Connection Fasteners for Home Improvement, DIY, Construction, 5/16-24, Pack of 5 by hard-to-find fastener - **How much does it cost?** VT5688 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/39420469-hard-to-find-fastener-fine-thread-coupling-nuts-secure-connection) ## Best For - hard-to-find fastener enthusiasts ## Why This Product - Trusted hard-to-find fastener brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Zinc-Plated Finish:** Protects against rust and wear, maintaining a sleek, professional look indoors and outdoors. - • **Hexagonal Grip Design:** Optimized for effortless wrench tightening, saving you time on every project. - • **Versatile Application:** Perfect for automotive, home improvement, and construction tasks—your go-to coupling nut. - • **Precision Fine Threading:** Ensures superior tensile strength and vibration resistance for rock-solid connections. - • **Durable Alloy Steel Build:** Engineered for strength and longevity in demanding DIY and construction environments. ## Overview Hard to Find Fastener Fine Thread Coupling Nuts are crafted from durable alloy steel with a zinc-plated finish for corrosion resistance. Featuring a hexagonal exterior for easy wrench tightening and fine-threaded interiors for enhanced tensile strength and vibration resistance, these coupling nuts provide reliable, precise connections ideal for automotive, DIY, and construction projects. Sold in packs of five, they combine professional-grade performance with versatile use. ## Description Put together your projects with confidence using Hard to Find Fastener’s fine thread coupling nuts. Designed to securely fasten together two threaded hardware parts including rods and pipes, the exterior of the coupling nut is hexagonal for easy grip with a wrench so that they can be efficiently tightened. These fasteners have a fine threaded interior for increased tensile strength and more precise alignment with a lower chance of loosening due to vibration or stress. The durable coating of these steel coupling nuts delivers corrosion resistance and a clean, bright appearance—perfect for indoor and light outdoor environments. They’re suitable for secure attachments in automotive, home improvement, DIY, and construction projects. Not all fasteners are applicable for all applications so be certain to test thoroughly and get the opinion of a licensed builder or certified building or structural engineer before relying on these fasteners for any situations where failure would result in damage to property or person. Review: Awesome product - Great product no thread pitch problem works great Review: Hard to find - Just what i needed ## Features - Durable Alloy Steel Construction: Built for strength and reliability in demanding environments. Designed to securely fasten together two threaded hardware parts including rods and pipes. - Hex Construction: The coupling nut features a hexagonal exterior, allowing a secure grip with a wrench for efficient tightening - Fine Threaded Design: Features a fine-threaded interior that enhances tensile strength, ensures precise alignment, and reduces the risk of loosening under vibration or stress - Zinc Plated Finish: Provides superior corrosion protection for long-lasting performance and a clean, bright appearance—perfect for indoor and light outdoor environments - Versatile Use: Suitable for secure attachments in automotive, home improvement, DIY, and construction projects ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B00L1L6876 | | Batteries Included? | No | | Batteries Required? | No | | Best Sellers Rank | #19,068 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #6 in Coupling Nuts | | Brand | Hard-to-Find Fastener | | Color | Gray | | Customer Reviews | 4.7 4.7 out of 5 stars (674) | | Cutting Diameter | 0.31 Inches | | Date First Available | June 3, 2010 | | Exterior Finish | Zinc | | Fastener Type | Coupling | | Finish | Zinc | | Finish Type | Zinc | | Head Style | Hex | | Inside Thread Size | 5/16 24 | | Item Diameter | 0.31 Inches | | Item Package Quantity | 1 | | Item Weight | 2.29 ounces | | Item model number | 014973322137 | | Manufacturer | Hard-to-Find Fastener | | Material | Alloy Steel | | Measurement System | Inch | | Metal Type | Alloy Steel | | Number of Pieces | 5 | | Part Number | CPLNT-097-5 | | Size | 5/16-24 | | Thread Coverage | Partially Threaded | | Thread Size | 5/16"-24 | | Thread Style | External, Fine | | Thread Type | Unified National Fine | | UPC | 014973322137 | ## Product Details - **Color:** Gray - **Exterior Finish:** Zinc - **Fastener Type:** Coupling - **Material:** Alloy Steel - **Thread Size:** 5/16"-24 ## Images ![Hard to Find Fastener Fine Thread Coupling Nuts, Secure Connection Fasteners for Home Improvement, DIY, Construction, 5/16-24, Pack of 5 - Image 1](https://m.media-amazon.com/images/I/714natN88uL.jpg) ## Available Options This product comes in different **Size** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Awesome product *by J***G on October 31, 2025* Great product no thread pitch problem works great ### ⭐⭐⭐⭐⭐ Hard to find *by F***L on March 3, 2026* Just what i needed ### ⭐⭐⭐⭐⭐ Good Product *by M***Y on November 3, 2025* The Hex fastener worked great and wish I could find larger one's that don't cost so much. ## Frequently Bought Together - Hard-to-Find Fastener 014973322137 Coupling Nuts, 5/16-24, Piece-5 - Beduan Stainless Steel 5/16"-24 Thread Fully Threaded Rod 12" Length Long Threaded Screw - uxcell 2pcs PHSB5 Female Rod End Bearing 5/16 Inch Bore and 5/16-24 Right Hand Thread, Self-Lubricating Joint Rod Ends, Includes Jam Nut --- ## 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.vu/products/39420469-hard-to-find-fastener-fine-thread-coupling-nuts-secure-connection](https://www.desertcart.vu/products/39420469-hard-to-find-fastener-fine-thread-coupling-nuts-secure-connection) --- *Product available on Desertcart Vanuatu* *Store origin: VU* *Last updated: 2026-05-03*