Annular Cutter Regrinding Explained: Tools, Techniques, and Cutter Types
Regrinding annular cutters (also known as core drills or broach cutters) can significantly extend their service life, but it must be done correctly.
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Complete Guide to Drill Bit Geometry: Key Dimensions, Angles, and Performance Factors
As a commonly used cutting tool, the geometry of a drill bit directly affects machining accuracy, chip evacuation efficiency, and tool life. This article systematically reviews the main body and rear structure of drill bits, covering key parameters such as helix angle, point angle, clearance angle, flute design, and shank types, helping you make more informed decisions in design and selection.
Drill Bit Types Explained: How to Choose the Right Bit for Metal, Wood & Concrete (2025 Guide)
There are many types of drill bits, and at first glance, it might be overwhelming. However, if we classify them by purpose, it can simplify things. Let’s categorize drill bits by their intended use to help you quickly select the right one for your specific needs.