--- product_id: 124644294 title: "Mr Lugnut 6 Spline Tuner Key Lock Drive Lug Nut Tk640 Tuner Style Lug Nuts" brand: "mr. lugnut" price: "€ 28.96" currency: EUR in_stock: true category: "Mr. Lugnut" url: https://www.desertcart.pt/products/124644294-mr-lugnut-6-spline-tuner-key-lock-drive-lug-nut store_origin: PT region: Portugal --- # 3.5-inch precision length 6-spline drive for secure fit Alloy steel industrial-grade strength Mr Lugnut 6 Spline Tuner Key Lock Drive Lug Nut Tk640 Tuner Style Lug Nuts **Brand:** mr. lugnut **Price:** € 28.96 **Availability:** ✅ In Stock ## Summary > 🔩 Unlock your ride’s potential with Mr. Lugnut’s precision key! ## Quick Answers - **What is this?** Mr Lugnut 6 Spline Tuner Key Lock Drive Lug Nut Tk640 Tuner Style Lug Nuts by mr. lugnut - **How much does it cost?** € 28.96 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/124644294-mr-lugnut-6-spline-tuner-key-lock-drive-lug-nut) ## Best For - mr. lugnut enthusiasts ## Why This Product - Trusted mr. lugnut brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Trusted by Thousands:** 4.5-star rating from 758 users—join the elite drivers - • **Universal Compatibility:** Fits 1.25-inch groove diameter for versatile application - • **6-Spline Drive Technology:** Ensures a secure, slip-free grip on tuner lug nuts - • **Precision 3.5-Inch Length:** Compact design for easy access and control - • **Industrial-Grade Alloy Steel:** Durable metal finish built to withstand heavy use ## Overview The Mr. Lugnut TK640 is a 3.5-inch long, 6-spline tuner key designed for tightening and removing tuner-style lug nuts. Made from industrial-grade alloy steel with a durable metal finish, it fits lug nuts with a 1.25-inch groove diameter and features a secure spline drive for slip-resistant performance. Highly rated by over 750 users, this key is a must-have for professional and enthusiast drivers seeking reliable wheel security. ## Description 6 Spline Tuner Key Lock Drive Lug Nut TK640 Mr. LugNut Tuner Style Lug Nuts ## Features - This key is used to tighten or remove spline drive tuner short style lug nuts - Length is 3.5 Inches - Metal Finish - Part Number: TK640 ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07M6GJTDS | | Best Sellers Rank | #123,553 in Automotive ( See Top 100 in Automotive ) #437 in Wheel & Tire Lug Nuts | | Brand | Mr. Lugnut | | Color | SILVER | | Compatible Groove Diameter | 1.25 Inches | | Customer Reviews | 4.5 out of 5 stars 758 Reviews | | Drive Style | Spline | | Exterior Finish | Metal | | Fastener Type | Wheel | | Finish Types | Unfinished | | Grade Rating | Industrial | | Inside Thread Size | 1/2 | | Item Diameter | 8.9 Centimeters | | Manufacturer | Mr. LugNut | | Material | Alloy Steel | | Material Type | Alloy Steel | | Metal Type | A type of steel | | Model | 10 | | Number of Pieces | 6 | | Part Number | TK640 | | Screw Head Style | domed | | Set Name | Mr. Lugnut 6 Spline Tuner Key Lock Drive Lug Nut Set TK640 | | Size Name | Other | | Thread Class | Coarse | | Thread Coverage | Fully Threaded | | Thread Size | 1/2 | | Thread Style | 1/2 inch | | Thread Type | Unified National Coarse (Unc) | | UPC | 759321758434 | | Unit Count | 1.0 Count | ## Images ![Mr Lugnut 6 Spline Tuner Key Lock Drive Lug Nut Tk640 Tuner Style Lug Nuts - Image 1](https://m.media-amazon.com/images/I/51GyVwA8+FL.jpg) ![Mr Lugnut 6 Spline Tuner Key Lock Drive Lug Nut Tk640 Tuner Style Lug Nuts - Image 2](https://m.media-amazon.com/images/I/51TUogx2EPL.jpg) --- ## 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.pt/products/124644294-mr-lugnut-6-spline-tuner-key-lock-drive-lug-nut](https://www.desertcart.pt/products/124644294-mr-lugnut-6-spline-tuner-key-lock-drive-lug-nut) --- *Product available on Desertcart Portugal* *Store origin: PT* *Last updated: 2026-09-22*