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 you are elbow-deep in an engine bay or piecing together a stubborn piece of flat-pack furniture, there’s one unsung hero in your toolbox that you’ll probably reach for: the Allen key. Also called a hex key or hex wrench, this L-shaped tool might look simple, but it’s indispensable — especially if you are in … Read more
Back when I first started working on plumbing jobs and engine rebuilds in my garage, I thought a wrench was a wrench. I had a generic 14-inch pipe wrench that I bought at a local hardware store cheap, no-name brand and I figured it’d work for everything. That lasted until I tried loosening an old, … Read more
Garbage disposals are one of those modern kitchen conveniences that we don’t think about until they stop working. And when they do, it’s usually something simple like a jam. That’s where a basic but essential tool comes into play, the Allen wrench. But here’s the question that stumps many: what is the correct Allen wrench … Read more
If you have ever had a loose shower handle or needed to replace one, you might have run into a tiny but frustrating roadblock figuring out the correct Moen shower handle Allen wrench size. It’s not something most of us think about until we’re mid-repair, standing in the bathroom with tools scattered around, trying wrench … Read more
If you have ever opened a flat-pack furniture box or attempted a small home repair, chances are you have come across a little L-shaped tool. That tool is called an Allen wrench, also known as a hex key. It may be small and simple, but it’s mighty. And if you don’t understand Allen wrench sizes, … Read more
If you have ever tried tightening or removing a Delta shower handle, chances are you’ve run into a little hidden screw that requires a specific tool to get the job done. That tool is an Allen wrench, also known as a hex key. But not just any Allen wrench will do. So, the big question … Read more
If you have ever tried to tighten a bolt and found your wrench either too small or too loose, you’re not alone. Picking the right wrench size can feel like a guessing game, especially when you’re not sure if you are working with metric or SAE (imperial) bolts. In this post, I will walk you … Read more
