--- product_id: 246649094 title: "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" brand: "eastlo" price: "€ 23.06" currency: EUR in_stock: true reviews_count: 8 category: "Eastlo" url: https://www.desertcart.at/products/246649094-3-8-16-nylon-insert-hex-lock-nuts-stainless-locknuts store_origin: AT region: Austria --- # Nylon insert prevents loosening under vibration 3/8-16 coarse thread, full coverage 304 stainless steel, corrosion resistant 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 **Brand:** eastlo **Price:** € 23.06 **Availability:** ✅ In Stock ## Summary > 🔩 Lock it down with confidence—where strength meets precision! ## Quick Answers - **What is this?** 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 by eastlo - **How much does it cost?** € 23.06 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.at](https://www.desertcart.at/products/246649094-3-8-16-nylon-insert-hex-lock-nuts-stainless-locknuts) ## 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 - • **Bulk Pack Advantage:** 25-pack supply means you’re always ready for your next project—maximize efficiency and minimize downtime. - • **Vibration-Proof Locking:** Nylon insert lock design guarantees your fasteners stay tight, even under heavy torque and constant vibration. - • **Precision Fit, Zero Slip:** Full thread coverage with 16 TPI coarse UNC thread ensures a secure, reliable hold every time. - • **Professional Grade Finish:** Bright stainless steel finish not only looks sleek but resists wear and corrosion for a polished, long-lasting appearance. - • **Built to Last in Any Environment:** Crafted from premium 304 (18-8) stainless steel for superior strength and rust resistance—maintenance-free durability. ## Overview This 25-pack of 3/8-16 nylon insert hex lock nuts features full coarse threading and a bright finish, made from durable 304 stainless steel. Designed to resist loosening under vibration, these locknuts deliver professional-grade corrosion resistance and strength, perfect for demanding industrial and DIY applications. ## Description 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: desertcart.com: Industrial & Scientific Review: Great quality and quantity for the price - Great price on quality stainless steel lock nuts! You get so much more for the price than going to your local hardware store. Review: Very good purchase. - Used as locking backups on an implement. Works well. ## Features - Package: 25 PCS 3/8-16 Nylon Insert Hex Stainless Locknuts (Specification described in the pictures) - Thread Size:3/8-16; Thread Pitch: 16 TPI Coarse Thread UNC; Thread Coverage: Full - Hex Drive Size: 9/16"; Width From Flat to Flat: 0.551 inch to 0.564 inch; Overall Height: 0.438 inch to 0.468 inch; - High Quality Material: Made of Stainless Steel 304 (18-8) which provides good strength and corrosion resistance in bad environments without the need for time consuming and costly maintenance. - Will NOT COME LOOSE: With a nylon insert inside, the lock nuts greatly reduce loosening under vibrations and torque. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07VJ3QFV4 | | Best Sellers Rank | #15,163 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #23 in Locknuts | | Brand | EASTLO | | Color | Silver | | Compatible Groove Diameter | 0.38 Inches | | Customer Reviews | 4.7 out of 5 stars 1,354 Reviews | | Drive Style | External Hex | | Exterior Finish | Stainless Steel | | Fastener Type | Hex, Insert, Lock | | Finish Types | Bright Finish | | Grade Rating | Grade A | | Inside Thread Size | #8 | | Manufacturer | EASTLO | | Material | Stainless Steel | | Material Type | Stainless Steel | | Metal Type | Stainless Steel | | Model | AN100202-25 | | Part Number | AN100202-25 | | Screw Head Style | Hex | | 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 | 25.0 Count | ## Product Details - **Material:** Stainless Steel 304 - **Fastener Type:** Lock, Hex, Insert - **Thread Size:** 3/8"-16 - **Exterior Finish:** Stainless Steel - **Color:** Silver ## Images ![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 - Image 1](https://m.media-amazon.com/images/I/519A+hBw4-L.jpg) ![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 - Image 2](https://m.media-amazon.com/images/I/51+efb78orL.jpg) ![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 - Image 3](https://m.media-amazon.com/images/I/71KWLL6TDaL.jpg) ![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 - Image 4](https://m.media-amazon.com/images/I/51HP3abdyiL.jpg) ![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 - Image 5](https://m.media-amazon.com/images/I/71TCpyNtThL.jpg) ## Available Options This product comes in different **Size, Number Of Items** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Great quality and quantity for the price *by B***. on February 7, 2026* Great price on quality stainless steel lock nuts! You get so much more for the price than going to your local hardware store. ### ⭐⭐⭐⭐⭐ Very good purchase. *by R***Y on September 20, 2025* Used as locking backups on an implement. Works well. ### ⭐⭐⭐⭐⭐ Quality good *by C***. on January 9, 2026* Good quality at half the price that you're charged in a brick and mortar store ## 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.at/products/246649094-3-8-16-nylon-insert-hex-lock-nuts-stainless-locknuts](https://www.desertcart.at/products/246649094-3-8-16-nylon-insert-hex-lock-nuts-stainless-locknuts) --- *Product available on Desertcart Austria* *Store origin: AT* *Last updated: 2026-05-04*