--- product_id: 594198744 title: "45 Pcs Nut and Bolt Thread Checker, 21 Metric/23 SAE, Steel | Chain-style Thread Gauge & Bolt Size Finder Quickly Identifies Nut and Bolt Sizes, Ideal for Workshop, Repairs, DIY Projects" brand: "comfylichi" price: "351 Lei" currency: RON in_stock: true category: "Comfylichi" url: https://www.desertcart.ro/products/594198744-45-pcs-nut-and-bolt-thread-checker-21-metric-23 store_origin: RO region: Romania --- # 45 precision thread gauges Instant thread size verification Dual metric & inch sizes 45 Pcs Nut and Bolt Thread Checker, 21 Metric/23 SAE, Steel | Chain-style Thread Gauge & Bolt Size Finder Quickly Identifies Nut and Bolt Sizes, Ideal for Workshop, Repairs, DIY Projects **Brand:** comfylichi **Price:** 351 Lei **Availability:** ✅ In Stock ## Summary > 🔧 Nail every thread, every time — your workshop’s secret weapon! ## Quick Answers - **What is this?** 45 Pcs Nut and Bolt Thread Checker, 21 Metric/23 SAE, Steel | Chain-style Thread Gauge & Bolt Size Finder Quickly Identifies Nut and Bolt Sizes, Ideal for Workshop, Repairs, DIY Projects by comfylichi - **How much does it cost?** 351 Lei with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.ro](https://www.desertcart.ro/products/594198744-45-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 - • **Built to Last:** Durable zinc-plated (inch) and black oxide (metric) steel construction ensures long-term reliability in any workshop. - • **Speedy Thread ID:** Freely rotating gauges on a wire cable let you identify bolt and nut threads in seconds—no more guesswork or wasted trips. - • **Mechanic’s Must-Have:** Streamline your workflow and avoid costly errors with a tool trusted by pros and hobbyists alike. - • **Universal Compatibility:** Perfect for auto mechanics, carpenters, welders, plumbers, and anyone serious about precision fastening. - • **All-in-One Thread Mastery:** 45 male & female gauges cover both standard (24) and metric (21) sizes for ultimate versatility. ## Overview The Nut and Bolt Thread Checker Set features 45 high-quality male and female thread gauges (24 inch, 21 metric) mounted on a rotating wire cable for quick, accurate thread size identification. Crafted from durable zinc-plated and black oxide steel, this tool is essential for mechanics, carpenters, and tradespeople seeking fast, reliable bolt and nut verification to boost efficiency and avoid costly mistakes. ## Description Comfylichi 45 Pcs Nut and Bolt Thread Checker, 21 Metric/23 SAE, Steel | Chain-style Thread Gauge & Bolt Size Finder Quickly Identifies Nut and Bolt Sizes, Ideal for Workshop, Repairs, DIY Projects: desertcart.com: Industrial & Scientific ## 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 | #8,995 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #8 in Thread Gauges | | Brand | Comfylichi | | Color | Silver + Black | | Compatible Groove Diameter | 0.13 inches | | Customer Reviews | 4.6 4.6 out of 5 stars (443) | | Fastener Type | Bolt, Female Threaded, Standard, Stud | | Finish Types | Surface plating treatment | | Item Shape | Rod | | Manufacturer | Comfylichi | | Material Type | Steel | | Model | Nut & Bolt Thread Checker | | Number Of Items | 45 | | Number of Pieces | 44 | | Part Number | Nut & Bolt Thread Checker Set | | Set Name | Nut & Bolt Thread Checker Set (45 Gauges) | | 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 | Chain-style Thread Gauge & Bolt Size Finder Quickly Identifies Nut and Bolt Sizes, Ideal for Workshop, Repairs, DIY Projects - Image 1](https://m.media-amazon.com/images/I/71jODxsJqwL.jpg) ![45 Pcs Nut and Bolt Thread Checker, 21 Metric/23 SAE, Steel | Chain-style Thread Gauge & Bolt Size Finder Quickly Identifies Nut and Bolt Sizes, Ideal for Workshop, Repairs, DIY Projects - Image 2](https://m.media-amazon.com/images/I/819tRf9d4tL.jpg) ![45 Pcs Nut and Bolt Thread Checker, 21 Metric/23 SAE, Steel | Chain-style Thread Gauge & Bolt Size Finder Quickly Identifies Nut and Bolt Sizes, Ideal for Workshop, Repairs, DIY Projects - Image 3](https://m.media-amazon.com/images/I/71SwwVEcXfL.jpg) ![45 Pcs Nut and Bolt Thread Checker, 21 Metric/23 SAE, Steel | Chain-style Thread Gauge & Bolt Size Finder Quickly Identifies Nut and Bolt Sizes, Ideal for Workshop, Repairs, DIY Projects - Image 4](https://m.media-amazon.com/images/I/717BywSU1QL.jpg) ![45 Pcs Nut and Bolt Thread Checker, 21 Metric/23 SAE, Steel | Chain-style Thread Gauge & Bolt Size Finder Quickly Identifies Nut and Bolt Sizes, Ideal for Workshop, Repairs, DIY Projects - Image 5](https://m.media-amazon.com/images/I/71m0X-YmvNL.jpg) ## Available Options This product comes in different **Size** options. --- ## 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.ro/products/594198744-45-pcs-nut-and-bolt-thread-checker-21-metric-23](https://www.desertcart.ro/products/594198744-45-pcs-nut-and-bolt-thread-checker-21-metric-23) --- *Product available on Desertcart Romania* *Store origin: RO* *Last updated: 2026-08-12*