--- product_id: 58667263 title: "100Pcs M3 x 0.5mm Lock Nuts - 304 Stainless Steel Self-Lock Nylon Inserted 3mm Nylock Nuts for RC Model, 3D Printer" brand: "binifimux" price: "€ 15.13" currency: EUR in_stock: true reviews_count: 10 category: "Binifi Mux" url: https://www.desertcart.gr/products/58667263-100pcs-m3-x-0-5mm-lock-nuts-304-stainless-steel store_origin: GR region: Greece --- # Nylon-inserted self-locking for secure fastening 100 pcs M3 x 0.5mm precision lock nuts 304 stainless steel corrosion-resistant strength 100Pcs M3 x 0.5mm Lock Nuts - 304 Stainless Steel Self-Lock Nylon Inserted 3mm Nylock Nuts for RC Model, 3D Printer **Brand:** binifimux **Price:** € 15.13 **Availability:** ✅ In Stock ## Summary > 🔩 Lock in your projects with precision and power! ## Quick Answers - **What is this?** 100Pcs M3 x 0.5mm Lock Nuts - 304 Stainless Steel Self-Lock Nylon Inserted 3mm Nylock Nuts for RC Model, 3D Printer by binifimux - **How much does it cost?** € 15.13 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/58667263-100pcs-m3-x-0-5mm-lock-nuts-304-stainless-steel) ## Best For - binifimux enthusiasts ## Why This Product - Trusted binifimux brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Precision Engineering:** Exact 3mm thread diameter with 0.5mm pitch ensures flawless fit for RC models and 3D printers. - • **Effortless Installation:** Hex drive compatible with 5.5mm spanners for quick, professional fastening every time. - • **Secure Locking Mechanism:** Nylon insert prevents loosening under vibration, guaranteeing stability in critical assemblies. - • **Durability Meets Reliability:** Crafted from rust-proof 304 stainless steel, built to withstand wear and tear over time. - • **Bulk Pack for Continuous Projects:** 100 premium M3 lock nuts with handy storage case to keep your workspace organized and ready. ## Overview This set of 100 M3 x 0.5mm lock nuts features high-grade 304 stainless steel construction with nylon inserts for self-locking security. Designed for demanding applications like RC models and 3D printers, these nuts offer corrosion resistance, precise threading, and a convenient storage case, making them an essential upgrade for professionals seeking reliable, long-lasting fasteners. ## Description BinifiMux 100Pcs M3 x 0.5mm Lock Nuts - 304 Stainless Steel Self-Lock Nylon Inserted 3mm Nylock Nuts for RC Model, 3D Printer: desertcart.com: Industrial & Scientific Review: Reliable and Effective - I recently purchased the 100-piece set of M3 x 0.5mm 304 Stainless Steel Self-Lock Nylon Inserted Hex Lock Nuts for a project, and they have performed admirably. These lock nuts are well-constructed, showcasing both the durability and quality I was looking for. The locking capability of these nuts is quite decent. The nylon inserts provide a good grip and ensure that the nuts stay in place once tightened. This feature gives me confidence in the security and stability of the connections in my projects. Additionally, the stainless steel material adds an extra layer of durability, making these nuts suitable for various applications where strength and longevity are required. Overall, I'm satisfied with these hex lock nuts. They are effective, reliable, and offer good value for the price. For anyone in need of quality self-locking nuts for their DIY or professional projects, I would recommend giving these a try. Review: Perfect! - They work way good! No complaints ## Features - [Package] Contains 100 pieces M3-0.5mm lock nuts,coming with one plastic storage case which perfect for store for long time usage - [Dimensions] The thread is metric 3mm with 0.5mm pitch and a total height of 4mm, hex height is about 2.4mm, angle to angle distance is 5.3mm, fit 5.5mm hex spanner, you could check size details by picture 2 more clearly - [High-Quality Stainless Steel] Crafted from high-quality stainless steel with plain finish, this acorn nut is rust-proof, tough, and durability - [Easy Installation] This binifiMux lock nut is easy to install on screw ends for fastening bolts/ screws by thread inserted into nylon part - [Warranty and Service] Committed to best service to you if you have issues about units ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B075ZZW7VL | | Best Sellers Rank | #71,804 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #140 in Locknuts | | Brand | binifiMux | | Color | Silver | | Compatible Groove Diameter | 3 Millimeters | | Customer Reviews | 4.8 out of 5 stars 927 Reviews | | Drive Style | External Hex | | Exterior Finish | Plain | | Fastener Type | Lock | | Finish Types | Unfinished | | Grade Rating | Grade 8.8 / A2-70 | | Inside Thread Size | M3 | | Item Diameter | 3 Millimeters | | Manufacturer | binifiMux | | Material | Nylon, Stainless Steel | | Material Type | Nylon, Stainless Steel | | Metal Type | Stainless Steel | | Number Of Items | 100 | | Number of Pieces | 100 | | Part Number | XXF-117 | | Screw Head Style | Hex | | Set Name | binifiMux M3 Lock Nut Set (100 Piece) | | Size Name | M3 | | Thread Class | ISO | | Thread Coverage | Fully Threaded | | Thread Size | M3 x 0.5 | | Thread Style | Right Hand | | Thread Type | Metric 3mm | | UPC | 613852252062 | | Unit Count | 100.0 Count | ## Product Details - **Color:** Silver - **Exterior Finish:** Plain - **Fastener Type:** Lock - **Material:** Nylon, Stainless Steel - **Thread Size:** M3 x 0.5 ## Images ![100Pcs M3 x 0.5mm Lock Nuts - 304 Stainless Steel Self-Lock Nylon Inserted 3mm Nylock Nuts for RC Model, 3D Printer - Image 1](https://m.media-amazon.com/images/I/918updXAHrL.jpg) ![100Pcs M3 x 0.5mm Lock Nuts - 304 Stainless Steel Self-Lock Nylon Inserted 3mm Nylock Nuts for RC Model, 3D Printer - Image 2](https://m.media-amazon.com/images/I/51-D1sXOKRL.jpg) ![100Pcs M3 x 0.5mm Lock Nuts - 304 Stainless Steel Self-Lock Nylon Inserted 3mm Nylock Nuts for RC Model, 3D Printer - Image 3](https://m.media-amazon.com/images/I/71yqr7NV6eL.jpg) ![100Pcs M3 x 0.5mm Lock Nuts - 304 Stainless Steel Self-Lock Nylon Inserted 3mm Nylock Nuts for RC Model, 3D Printer - Image 4](https://m.media-amazon.com/images/I/71rguncEhaL.jpg) ![100Pcs M3 x 0.5mm Lock Nuts - 304 Stainless Steel Self-Lock Nylon Inserted 3mm Nylock Nuts for RC Model, 3D Printer - Image 5](https://m.media-amazon.com/images/I/71MHmCzTtwL.jpg) ## Questions & Answers **Q: Can anyone tell me whether or not these are endorsed by Dee?** A: sorry no **Q: Will these hold up in a engine bay? I need them for my emblem I am reinstalling.** A: I dont see why not. They are 304 stainless steel... **Q: Does anyone have the height, and width (flat to flat part) of these?** A: width of flat to flat is 6mm. height is 4mm. **Q: Will these work with m3x55mm screws?** A: yes it fit coz thread is metric 3mm with same pitch 0.5mm. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Reliable and Effective *by K***. on December 10, 2023* I recently purchased the 100-piece set of M3 x 0.5mm 304 Stainless Steel Self-Lock Nylon Inserted Hex Lock Nuts for a project, and they have performed admirably. These lock nuts are well-constructed, showcasing both the durability and quality I was looking for. The locking capability of these nuts is quite decent. The nylon inserts provide a good grip and ensure that the nuts stay in place once tightened. This feature gives me confidence in the security and stability of the connections in my projects. Additionally, the stainless steel material adds an extra layer of durability, making these nuts suitable for various applications where strength and longevity are required. Overall, I'm satisfied with these hex lock nuts. They are effective, reliable, and offer good value for the price. For anyone in need of quality self-locking nuts for their DIY or professional projects, I would recommend giving these a try. ### ⭐⭐⭐⭐⭐ Perfect! *by T***T on February 23, 2026* They work way good! No complaints ### ⭐⭐⭐⭐⭐ Nice locking nuts great price *by M***U on February 16, 2026* Great low cost locking nuts. ## Frequently Bought Together - binifiMux 100Pcs M3 x 0.5mm 304 Stainless Steel Self-Lock Nylon Inserted Hex Lock Nuts, Self Clinching Nuts - uxcell 100Pcs M3x6mmx0.5mm Stainless Steel Metric Round Flat Washer for Bolt Screw --- ## 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.gr/products/58667263-100pcs-m3-x-0-5mm-lock-nuts-304-stainless-steel](https://www.desertcart.gr/products/58667263-100pcs-m3-x-0-5mm-lock-nuts-304-stainless-steel) --- *Product available on Desertcart Greece* *Store origin: GR* *Last updated: 2026-07-15*