Accurate measurements are essential for mechanical, industrial, automotive, home, and sports projects. Our Size Charts category provides clear, high-quality reference guides for bolts, screws, threads, wires, pipes, bearings, automotive components, home appliances, sports equipment, hardware tools, and more. Developed by experienced engineers with over 10 years in measurement systems and dimensional analysis, these charts ensure precision, efficiency, and confidence in every task. Whether you are working on CNC machining, fabrication, repairs, or DIY projects, our size charts are a trusted resource—helping readers select the right components, compare metric and imperial units, avoid errors, and save valuable time.
When it comes to transmitting torque in mechanical systems, not every application can rely on keyways or friction fits alone. For high-strength, high-precision, and long-lasting connections, spline shafts are the preferred choice. They may look like a simple shaft with ridges, but these ridges — called splines — play a crucial role in connecting rotating … Read more
When working with shafts, gears, pulleys, or couplings, one small feature plays a huge role in transmitting torque effectively — the keyway. Whether you are in mechanical engineering, manufacturing, or repair work, knowing the correct keyway size chart is essential for ensuring proper fits, safety, and durability of mechanical assemblies. This guide will walk you … Read more
When it comes to piping systems—whether in plumbing, mechanical work, construction, or industrial setups—pipe fittings play a key role. One of the most common and essential fittings is the elbow fitting. These small but powerful components change the direction of flow inside a pipeline, making them indispensable in almost every installation. Think of an elbow … Read more
Steam pipes play a critical role in power plants, manufacturing industries, heating systems, and even in some residential setups. When steam travels through pipelines, its pressure, temperature, and flow rate must be carefully managed to avoid energy loss and equipment damage. One of the most important considerations is choosing the correct pipe size. This is … Read more
When it comes to fastening mechanical parts, ensuring safety, and preventing nuts or bolts from loosening, cotter pins (sometimes called split pins or cotter keys) are among the simplest yet most reliable solutions. They may look like just a small piece of bent metal, but without them, many machines, vehicles, and equipment could fail under … Read more
If you have ever worked on plumbing, mechanical systems, or construction projects, you already know how confusing pipe fittings can get. Sizes, diameters, schedules, and threads often feel like a new language. A pipe fitting size chart makes life much easier, it provides quick references to help you pick the right fitting for the right … Read more
When it comes to construction, plumbing, industrial setups, or even DIY projects, stainless steel pipes are one of the most trusted choices. They are durable, corrosion-resistant, and versatile enough to be used in multiple industries. But here’s the challenge: stainless steel pipes come in many different sizes, thicknesses, and dimensions. If you’re not familiar with … Read more
When it comes to plumbing, one of the most overlooked yet crucial details is the size of your drain pipe. Whether you are installing a new sink, setting up a shower, or working on a large-scale drainage system, knowing the correct pipe size can make all the difference. Choosing the wrong size could lead to … Read more
If you have ever worked with machines, whether in automotive repair, heavy equipment, or even small DIY projects, you have probably come across roller bearings. They may look simple, but these small components play a massive role in keeping machinery smooth, efficient, and reliable. Roller bearings reduce friction between moving parts and support both radial … Read more
When it comes to working with electricity, choosing the right wire size is one of the most crucial decisions. Using an incorrect wire can lead to inefficiency, equipment damage, or even safety hazards like fires. That’s why the AWG size chart is an essential tool for electricians, engineers, and DIY enthusiasts alike. In this comprehensive … Read more
