What Are Coaxial Indicators — And Why They Matter
In machining, precision is king. When you’re setting up a mill, lathe, or any rotary tool to center a workpiece, accuracy isn’t just nice — it’s essential. That’s where coaxial indicators Fowler High Precision come in. Unlike regular test indicators that measure displacement in one direction, coaxial indicators let you center holes, shafts, and workpieces quickly by referencing the spindle’s axis of rotation directly. The main goal? To find the true center of a round feature (like a bore or a cylindrical part) so tools and fixtures align spot-on with the machine’s coordinate system. Spotlight: Fowler High Precision Coaxial Indicator Let’s zoom in on one popular model from Fowler High Precision — the Fowler 2D Coaxial Indicator Set — and what makes it a standout tool for both workshop pros and serious hobbyists. 🛠 Key Features 📏 2-Dimensional Coaxial Design – Measures centricity in two axes simultaneously for fast, accurate centering. 🎯 Dial Readings & G...