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.
If you have ever peeked inside an engine, you know pistons are the heart of the whole operation. They move up and down hundreds of times per second, converting fuel into motion. But here is the thing—piston size matters a lot. It’s not just about how big or small it is; the exact size determines … Read more
If you have ever opened up an air conditioning compressor and stared at the small metal piston inside, wondering how something so tiny can make such a big difference—welcome to the club. Most people do not realise how critical piston sizing is to the performance of an HVAC system. Whether you are a new technician, … Read more
When it comes to plumbing, piping, or any kind of mechanical fitting work, choosing the right elbow fitting size makes all the difference. It’s not just about connecting two pipes — it’s about making sure everything fits perfectly, no leaks occur, and the flow remains smooth. In this post, I will walk you through everything … Read more
When it comes to the heart of an engine, the crankshaft plays a vital role — it’s the component that converts the linear motion of pistons into rotational power. But without the crankshaft bearings, this process wouldn’t be smooth at all. These small yet powerful parts reduce friction, handle immense loads, and keep your engine … Read more
If you have ever opened up the hood of a car or a motorcycle and wondered what keeps the engine breathing and firing perfectly, the answer is partly the camshaft. This small but mighty component plays a crucial role in controlling the intake and exhaust valves, ensuring your engine runs smoothly. But one thing many … Read more
Have you ever plugged in your power tool, vacuum cleaner, or heater — only to feel that the cord is getting warm or the machine isn’t running at full power?Well, that’s probably because of using the wrong extension cord size. Choosing the right extension cord is not just about length. The wire gauge (thickness) plays … Read more
If you have ever worked on an electrical project, whether it’s a DIY home repair or a professional installation, you have probably come across something called AWG or American Wire Gauge. While it may seem like just another technical term, understanding AWG is crucial for safety, efficiency, and even saving money on your wiring projects. … Read more
If you have ever fixed a machine, tightened a bolt, or done even a small DIY repair, you have probably come across a tiny round piece called a washer. It might not look like much, but trust me — that little ring is doing a lot of work behind the scenes. Among the different types, … Read more
If you have ever spent hours in a workshop or machine shop, you already know how vital accuracy is. Just a few microns of error can completely change the performance of a part — especially in precision engineering. That’s where the surface plate quietly plays its role.It’s one of those tools that doesn’t move, does … Read more
When it comes to mechanical engineering, construction, and everyday repair work, nuts and bolts are the backbone of fasteners. You will find them in cars, bridges, furniture, machines, and even in household appliances. Among different types of nuts, the “M nut” is one of the most commonly used standards worldwide. The “M” simply refers to … Read more
