30-in-1 Nut & Bolt Thread Checker – Standard & Metric Thread Gauge Tool with 15 SAE & 15 Metric Sizes, Wall-Mountable Thread Identifier with Inch & CM Ruler

✅ Accurately Identify 30 Standard & Metric Thread Sizes This 30-in-1 nut and bolt thread checker includes 15 SAE and 15 metric sizes, making it easy to identify both internal and external threads on screws, bolts, and nuts. It covers common sizes from 6-32 to 1/2-20 (inch) and M3×0.5 to M14×2.0 (metric). Whether you're using a thread checker standard and metric, a bolt and nut sizer, or a thread size checker, this tool ensures fast, accurate identification every time.

✅ Durable & Easy to Use with Etched Markings Crafted from high-strength C45E4 steel, this thread gauge tool is built for long-term accuracy and durability. Each slot features both male and female threads, allowing you to test bolts and nuts with precision. With clearly laser-etched markings, it's a seamless combination of a bolt thread checker, thread gauge, and nut and bolt thread checker. The intuitive layout makes it simple to use—even for beginners.

✅ Eliminate Guesswork & Prevent Costly Mistakes Avoid wasted time and money buying the wrong parts. This bolt size and thread gauge tool lets you quickly verify thread pitch and size on-site or in the workshop. It's the go-to bolt sizer and thread checker that helps professionals and DIYers make the right call the first time—no trial and error needed.

✅ Built for Mechanics, Woodworkers, DIYers & More This lightweight, portable thread gauge SAE and metric is ideal for anyone working with hardware—whether you're fixing a bike, assembling furniture, or working on automotive repairs. With a quick-access numbered index, it’s a must-have bolt and nut identifier gauge for engineers, technicians, hobbyists, and tradespeople alike.

✅ All-in-One, Wall-Mountable & Multi-Functional Designed with a sleek anodized aluminum finish, this nut and bolt thread checker inch & metric is as durable as it is practical. Includes a 6-inch and 15CM ruler for quick measurements. Whether you're using it as a metric thread gauge, bolt gauge, or screw size and thread gauge, it’s a compact, wall-mountable solution to keep your workspace efficient and organized.

Take the guesswork out of identifying screws, bolts, and nuts with this 30-in-1 Nut and Bolt Thread Checker – your ultimate all-in-one thread gauge tool for both standard (SAE) and metric sizes. This compact, portable bolt and nut identifier gauge is designed to quickly and accurately determine thread pitch and diameter, making it an essential addition to every workshop, garage, or toolbox. Built with hardened stainless steel and a sleek anodized aluminum frame, our thread checker offers both male and female threaded holes to test a wide range of hardware. From 6-32 to 1/2-20 (inch) and M3×0.5 to M14×2.0 (metric), this thread checker standard and metric is perfect for internal and external thread identification on bolts, nuts, washers, and screws. Whether you're a professional mechanic, woodworker, engineer, or a DIY enthusiast, this screw size and thread gauge saves you time, money, and frustration. The easy-to-read laser-etched markings, dual measurement rulers (6-inch & 15cm), and quick-access numbered index make it the go-to bolt size and thread gauge solution for any job. Easily mount it to a wall or carry it in your toolbox – this nut bolt thread checker is as versatile as it is durable. Whether you need a bolt sizer, metric thread gauge, thread size checker, or bolt gauge, this tool does it all. Key Features: ✅ Identify 30 thread sizes – 15 SAE and 15 Metric ✅ Compatible with bolts, nuts, screws, and washers ✅ Includes thread gauges for both internal and external threads ✅ Dual rulers in inches and centimeters for added convenience ✅ Wall-mountable and compact for easy storage