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 assembling furniture, repairing bicycles, maintaining machinery, or working on automotive projects, a hex key (often called an Allen wrench) is one of the most essential tools. Despite being small, this L-shaped tool plays a huge role in tightening and loosening hexagonal socket screws. But here’s the challenge: hex keys come in … Read more
When it comes to DIY projects, home repairs, or mechanical work, knowing the right washer size is crucial. Washers are small, yet essential components used to distribute the load of a threaded fastener, prevent damage, reduce vibration, and even seal joints. Choosing the correct washer size ensures the stability, safety, and longevity of your assembly. … Read more
Screws are among the most widely used fasteners in the world. From furniture assembly and woodworking to automotive repairs and large-scale construction, screws provide the strength and reliability needed to hold materials together. But with so many different sizes, picking the right screw isn’t always simple. One of the most important factors to understand is … Read more
When you are working on DIY projects, woodworking, construction, or even simple household repairs, screws are among the most common fasteners you’ll use. But if you’ve ever stood in the hardware aisle staring at boxes of screws labeled with numbers, fractions, or millimeters, you know how confusing it can be. That’s where a screw size … Read more
When working with nuts, bolts, and fasteners, one of the most essential tools you’ll need is a socket set. Sockets save time, increase precision, and help you tighten or loosen bolts without damaging them. But here’s the challenge—fasteners come in all kinds of sizes, and sockets are designed to match them exactly. That’s why a … Read more
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
