Roto Broaches & Annular Cutters
We offer the highest performance-cost ratio tools for the machining of almost all materials.
Annular Cutter and Roto Broach Types
High-Speed Steel and Tungsten Carbide Tips make up a metal core drill. As a result, HSS core drills and TCT core drills are the main commercial types of core drills.
High-speed steel (HSS)
These are the most popular core drills or annular cutters in the market. The biggest advantage of an HSS core drill is its ability to re-sharpen. Unlike TCT core drills, HSS core drills are then re-sharpened and used with good efficiency until a desirable length is remaining. HSS core drills have a longer service life, high heat resistance, and you also do not need excessive force to drill.
Tungsten carbide tipped (TCT)
Tungsten carbide-tipped (TCT) core drills have tungsten carbide on their tips, making them suitable for cutting through tougher materials. TCT core drills are more expensive than HSS core drills but are also faster and more efficient making larger holes. Tip breakage is more likely with TCT core drills than with HSS core bits, and you may not resharpen TCT bits.
What Annular Drill Bits might you be looking for?
Blade Sharpening Services for Annular Cutters and Roto Broaches
Milling work can add some pretty high stress on your cutter heads. Taking care of your bits by cooling them properly, drilling at slow speeds, and allowing them to anneal completely following milling work is important to maintaining the lifespan of your drill bits.
The sharpness life span of your drill bits vary greatly depending on the drill bit material. Tin bits typically maintain their sharpness for up to 40 sessions before sharpening is recommended. Whereas, cobalt heads can maintain their sharpness up to 150 sessions when properly maintained during their usage. At All Blades, we specialize in extending the life of your drill bits and restoring their sharpness to full working order with our professional sharpening services.
![TCT Core drill sizes by Rohan von Indien at English Wikipedia [CC BY-SA (https://creativecommons.org/licenses/by-sa/3.0)]](https://commons.wikimedia.org/wiki/File:TCT_core_drills.jpg)
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