--- product_id: 607519940 title: "45 Pcs Nut and Bolt Thread Checker, 21 Metric/23 SAE, Steel" brand: "comfylichi" price: "€ 144.87" currency: EUR in_stock: true reviews_count: 5 category: "Comfylichi" url: https://www.desertcart.hr/products/607519940-45-pcs-nut-and-bolt-thread-checker-21-metric-23 store_origin: HR region: Croatia --- # 45 precision gauges Dual metric & SAE sizes Durable steel build 45 Pcs Nut and Bolt Thread Checker, 21 Metric/23 SAE, Steel **Brand:** comfylichi **Price:** € 144.87 **Availability:** ✅ In Stock ## Summary > 🔧 Nail Every Thread, Every Time — Don’t Get Left Behind! ## Quick Answers - **What is this?** 45 Pcs Nut and Bolt Thread Checker, 21 Metric/23 SAE, Steel by comfylichi - **How much does it cost?** € 144.87 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/607519940-45-pcs-nut-and-bolt-thread-checker-21-metric-23) ## Best For - comfylichi enthusiasts ## Why This Product - Trusted comfylichi brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Speed Up Your Workflow:** Rotating gauges on a wire cable enable lightning-fast nut & bolt size verification. - • **Compact & Toolbox-Ready:** Slim, portable design fits perfectly in any professional’s toolkit—space-saving efficiency. - • **All-in-One Thread Master:** 45 male & female gauges cover 24 inch + 21 metric sizes for instant thread ID. - • **Built to Last, Built for Pros:** High-quality zinc plating & black oxide finish ensure corrosion resistance and durability. - • **Universal Fit for Every Trade:** Ideal for mechanics, carpenters, plumbers, welders—your go-to thread checker for every project. ## Overview The 45 Pcs Nut and Bolt Thread Checker is a professional-grade tool featuring 24 SAE and 21 metric thread gauges made from durable steel with corrosion-resistant finishes. Designed for rapid, accurate identification of nut and bolt threads, it streamlines workflow by eliminating guesswork and unnecessary hardware store trips. Compact and portable, it’s an essential addition to any mechanic’s or tradesperson’s toolkit, ensuring precision and efficiency on every project. ## Description Nut & Bolt Thread Checker 45 Male/Female Gauges (24 Inch & 21 Metric) Nut and Bolt Thread Size Checker Thread Identifier Gauges Nut & Bolt thread checker was designed to make your job easier and improve efficiency, being a fast and simple way of verifying the thread of your bolts and nuts. Applicable to mechanical repairs, or common threads in plumbing, air and gas connections, etc. The Nut & Bolt Thread Checker is a versatile and practical tool designed to assist users in quickly identifying the size and thread type of nuts and bolts. This handy gauge is an essential addition to any toolbox or workshop, providing convenience and efficiency when working with various fasteners. Equipped with a comprehensive range of threaded holes, this bolt and nut identifier allows users to easily match their nuts and bolts to the corresponding hole, determining the exact size and thread pitch. With both SAE and metric measurements available, this thread gauge caters to a wide range of applications, ensuring compatibility with most commonly used fasteners. Whether you're an automotive enthusiast, DIY enthusiast, or professional tradesperson, this standard and metric nut and bolt thread checker offers accurate and reliable results every time. Its durable construction guarantees long-lasting use, making it an invaluable companion for any project that requires precise fastener identification. Say goodbye to the frustrations of trial and error when trying to find the right nut or bolt size. The Nut & Bolt Thread Checker streamlines your work process, saving you time and effort. No more wasted trips to the hardware store or mismatched fasteners causing delays – this thread gauge provides an efficient solution to all your fastener identification needs. Invest in the Nut & Bolt Thread Checker and experience the ease and convenience it brings to your workbench. Whether you're a professional or a DIY enthusiast, this tool is a must-have for anyone working with nuts and bolts. Simplify your projects and ensure accuracy with this reliable and versatile nut and bolt thread checker – the perfect addition to any toolkit. "Get the Perfect Fit Every Time with our Nut & Bolt Thread Checker - Never Worry About Mismatched Fasteners Again!" thread checker bolt identifier bolt and nut identifier Review: quality - love this, easy made and use, can be transported anywhere. Review: Must Have - Inexpensive and fits into the tool box - Accurate - I need one of these for years. Instead........ I was stubborn and had my bench mounted plate thread checker that does not fit well into my tool box. Size does matter. This is inexpensive, good quality material, seems to be durable and the fit for my tool box is excellent, to save space. Good price for the Quality. ## Features - Nut & Bolt Thread Checker: Thread checker is a tool used to quickly verify the size and nut of bolt threads. It has 45 pcs size thread gauges (24 pcs for inch size and 21 pcs for metric size). The individual gauges rotate freely on the wire cable for fast thread verification - How to use: Every single gauge has a male threaded stud on one end for nut check and a female threaded socket on the other end for bolt check. Just screw the nut or bolt onto thread gauge. Only take seconds to check the size - Efficiency Improving: No more bent over the container looking for a nut/bolt to finish your project. Identifying the size and thread of nuts and bolts before making trips to the hardware store to match them, especially the nut or bolt that cannot be removed.Excellent item for the mechanic Every workshop should have one - High Quality Materials: Trust in our durable and high-quality nut & bolt thread checker - the inch gauges are clear zinc plated and the metric gauges are black oxide, ensuring a long-lasting and effective thread finder that you can rely on for all your needs - Applicable people: No matter what kind of work you do, auto mechanic, carpenter, welder, plumbers or workshop mechanic. I believe this set of thread tester is the tool you will need to make yourself satisfied ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0CBPGN54R | | Best Sellers Rank | #139,469 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #284 in Dimensional Measurement Gauges | | Brand | Comfylichi | | Colour | Silver + Black | | Compatible Groove Diameter | 0.13 Inches | | Customer Reviews | 4.6 out of 5 stars 436 Reviews | | Fastener Type | Bolt, Female Threaded, Stud | | Finish Type | Surface plating treatment | | Finish Types | Surface plating treatment | | Item Shape | Rod | | Manufacturer | Comfylichi | | Material | Steel | | Material Type | Steel | | Model | Nut & Bolt Thread Checker | | Number Of Items | 45 | | Number of Pieces | 44 | | Part Number | Nut & Bolt Thread Checker Set | | Size | 45 Gauges (24 Inch & 21 Metric) | | Size Name | 45 Gauges (24 Inch & 21 Metric) | | Thread Size | 45 | ## Product Details - **Brand:** Comfylichi - **Color:** Silver + Black - **Fastener Type:** Bolt, Female Threaded, Standard, Stud - **Material:** Steel - **Size:** 45 Gauges (24 Inch & 21 Metric) ## Images ![45 Pcs Nut and Bolt Thread Checker, 21 Metric/23 SAE, Steel - Image 1](https://m.media-amazon.com/images/I/71jODxsJqwL.jpg) ![45 Pcs Nut and Bolt Thread Checker, 21 Metric/23 SAE, Steel - Image 2](https://m.media-amazon.com/images/I/819tRf9d4tL.jpg) ![45 Pcs Nut and Bolt Thread Checker, 21 Metric/23 SAE, Steel - Image 3](https://m.media-amazon.com/images/I/71SwwVEcXfL.jpg) ![45 Pcs Nut and Bolt Thread Checker, 21 Metric/23 SAE, Steel - Image 4](https://m.media-amazon.com/images/I/717BywSU1QL.jpg) ![45 Pcs Nut and Bolt Thread Checker, 21 Metric/23 SAE, Steel - Image 5](https://m.media-amazon.com/images/I/71m0X-YmvNL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ quality *by R***K on 22 February 2026* love this, easy made and use, can be transported anywhere. ### ⭐⭐⭐⭐⭐ Must Have - Inexpensive and fits into the tool box - Accurate *by A***O on 22 June 2026* I need one of these for years. Instead........ I was stubborn and had my bench mounted plate thread checker that does not fit well into my tool box. Size does matter. This is inexpensive, good quality material, seems to be durable and the fit for my tool box is excellent, to save space. Good price for the Quality. ### ⭐⭐⭐⭐⭐ Super handy *by E***R on 31 July 2026* Closest I'll come to having one of those wonderful big size checking panels in the hardware section at Home Depot. Super handy! --- ## 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.hr/products/607519940-45-pcs-nut-and-bolt-thread-checker-21-metric-23](https://www.desertcart.hr/products/607519940-45-pcs-nut-and-bolt-thread-checker-21-metric-23) --- *Product available on Desertcart Croatia* *Store origin: HR* *Last updated: 2026-08-16*