--- product_id: 246649094 title: "3/8\"-16 Nylon Lock Nuts, 304 Stainless Steel (18-8) Hex Insert Locknuts, UNC Coarse Thread, Anti Vibration Nuts for Heavy Duty Projects, 25 Pack" brand: "eastlo" price: "€ 19.98" currency: EUR in_stock: true category: "Eastlo" url: https://www.desertcart.sk/products/246649094-3-8-16-nylon-lock-nuts-304-stainless-steel-18 store_origin: SK region: Slovakia --- # 3/8"-16 UNC Coarse Thread Nylon Insert Anti-Vibration Lock 304 Stainless Steel Rust-Resistant 3/8"-16 Nylon Lock Nuts, 304 Stainless Steel (18-8) Hex Insert Locknuts, UNC Coarse Thread, Anti Vibration Nuts for Heavy Duty Projects, 25 Pack **Brand:** eastlo **Price:** € 19.98 **Availability:** ✅ In Stock ## Summary > 🔒 Lock in Strength, Lock Out Worries! ## Quick Answers - **What is this?** 3/8"-16 Nylon Lock Nuts, 304 Stainless Steel (18-8) Hex Insert Locknuts, UNC Coarse Thread, Anti Vibration Nuts for Heavy Duty Projects, 25 Pack by eastlo - **How much does it cost?** € 19.98 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sk](https://www.desertcart.sk/products/246649094-3-8-16-nylon-lock-nuts-304-stainless-steel-18) ## Best For - eastlo enthusiasts ## Why This Product - Trusted eastlo brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Ready for the Real World:** Fits standard 9/16" wrenches and designed for long-lasting performance with minimal maintenance. - • **Versatile Heavy-Duty Use:** Ideal for patio furniture, automotive chassis, swing sets, and any high-movement structural projects. - • **Vibration-Proof Security:** Nylon insert locknuts maintain grip under intense vibration, preventing loosening and ensuring safety. - • **Precision Fit, Every Time:** Manufactured to ASME B18.16.6 standards for exact thread and wrench compatibility. - • **Built to Brave the Elements:** Premium 18-8 (304) stainless steel ensures superior corrosion resistance in outdoor and industrial settings. ## Overview These 3/8"-16 nylon lock nuts are crafted from premium 304 stainless steel with a durable nylon insert to prevent loosening under vibration. Engineered to ASME standards, they offer precise fitment and exceptional corrosion resistance, making them perfect for heavy-duty, outdoor, and industrial applications. Sold in convenient 25-packs, they deliver reliable, long-term fastening security for professionals who demand quality and durability. ## Description 3/8"-16 Nylon Lock Nuts, 304 Stainless Steel (18-8) Hex Insert Locknuts, UNC Coarse Thread, Anti Vibration Nuts for Heavy Duty Projects, 25 Pack: desertcart.com: Industrial & Scientific ## Features - PRECISE SPECS & FITMENT: 3/8"-16 UNC Coarse Thread | Manufactured to ASME B18.16.6 | Wrench Size: 9/16" | Total Height: 0.453" | Package: 25 Pcs - GENUINE 304 STAINLESS STEEL: Forged from premium 18-8 (304) Stainless Steel, providing superior rust and corrosion resistance. Unlike zinc-plated nuts, these are built for longevity in high-moisture, outdoor, and harsh industrial environments - ADVANCED VIBRATION SECURITY: The resilient nylon insert creates high-friction gripping power that stays locked under intense vibration. Effectively prevents hardware from loosening in high-movement equipment, ensuring long-term structural integrity and safety - VERSATILE SCENE MATCHING: Essential for Patio furniture, Swing sets, and Automotive chassis. Strong enough for structural loads in vibration-heavy environments. - TOOL TIPS & PRECAUTIONS: Fits any standard 9/16" wrench. For outdoor use, ensure the 304 stainless steel surface is kept clean of iron filings to maintain maximum corrosion resistance. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07VJ3QFV4 | | Best Sellers Rank | #21,217 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #34 in Locknuts | | Brand | EASTLO | | Color | Silver | | Compatible Groove Diameter | 0.38 inches | | Customer Reviews | 4.7 4.7 out of 5 stars (1,383) | | Drive Style | External Hex | | Exterior Finish | Stainless Steel | | Fastener Type | Lock | | Finish Types | Bright Finish | | Grade Rating | Grade A | | Inside Thread Size | #8 | | Item Diameter | 0.38 inches | | Manufacturer | EASTLO | | Material Type | Stainless Steel | | Metal Type | Stainless Steel | | Model | AN100202-25 | | Number Of Items | 25 | | Number of Pieces | 25 | | Part Number | AN100202-25 | | Screw Head Style | Hex | | Set Name | 3/8"-16 Nylon Lock Nuts 25 Pack | | Size Name | 3/8"-16 | | Thread Class | Coarse | | Thread Coverage | Fully Threaded | | Thread Size | 3/8"-16 | | Thread Style | Right Hand | | Thread Type | Unified National Coarse | | UPC | 634715404275 | | Unit Count | 25 Count | ## Product Details - **Color:** Silver - **Exterior Finish:** Stainless Steel - **Fastener Type:** Lock - **Material:** Stainless Steel - **Thread Size:** 3/8"-16 ## Images ![3/8"-16 Nylon Lock Nuts, 304 Stainless Steel (18-8) Hex Insert Locknuts, UNC Coarse Thread, Anti Vibration Nuts for Heavy Duty Projects, 25 Pack - Image 1](https://m.media-amazon.com/images/I/519A+hBw4-L.jpg) ![3/8"-16 Nylon Lock Nuts, 304 Stainless Steel (18-8) Hex Insert Locknuts, UNC Coarse Thread, Anti Vibration Nuts for Heavy Duty Projects, 25 Pack - Image 2](https://m.media-amazon.com/images/I/51+efb78orL.jpg) ![3/8"-16 Nylon Lock Nuts, 304 Stainless Steel (18-8) Hex Insert Locknuts, UNC Coarse Thread, Anti Vibration Nuts for Heavy Duty Projects, 25 Pack - Image 3](https://m.media-amazon.com/images/I/71KWLL6TDaL.jpg) ![3/8"-16 Nylon Lock Nuts, 304 Stainless Steel (18-8) Hex Insert Locknuts, UNC Coarse Thread, Anti Vibration Nuts for Heavy Duty Projects, 25 Pack - Image 4](https://m.media-amazon.com/images/I/51HP3abdyiL.jpg) ![3/8"-16 Nylon Lock Nuts, 304 Stainless Steel (18-8) Hex Insert Locknuts, UNC Coarse Thread, Anti Vibration Nuts for Heavy Duty Projects, 25 Pack - Image 5](https://m.media-amazon.com/images/I/71TCpyNtThL.jpg) ## Available Options This product comes in different **Size, Number Of Items** options. ## Frequently Bought Together - 3/8-16 Nylon Insert Hex Lock Nuts Stainless Locknuts, Hex Drive, Bright Finish, 304 Stainless Steel 18-8 SS, Coarse Thread, 25 of Pack - 1/4" Stainless Flat Washer, 5/8" Outside Diameter, 18-8(304) Stainless Steel Washers Flat (100 Pack) - 3/8-16 x 6 (1/2" to 6" Available) Hex Head Screw Bolt, Fully Threaded, Stainless Steel 18-8, Plain Finish, Quantity 5 --- ## 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.sk/products/246649094-3-8-16-nylon-lock-nuts-304-stainless-steel-18](https://www.desertcart.sk/products/246649094-3-8-16-nylon-lock-nuts-304-stainless-steel-18) --- *Product available on Desertcart Slovakia* *Store origin: SK* *Last updated: 2026-08-29*