How to Choose an Annular Cutter (Mag Drill Bits)?
Nov 10, 2022
Depth: One of the cutter size determination. The depth will be longer than the thickness of the material you are going to drill.
Diameter: Outer diameter of the cutter. For small diameter holes, you can choose a HSS annular cutter. If you need a bigger hole, TCT annular cutters are recommended.
Type of the Material: If you need to drill harder material, TCT or Tin/Tia coated annular cutter is a better choice.
Shank: Annular cutters with Weldon shank can be used with most magnetic drills. If the mag drill you have cannot fit Weldon shank, you can use an adapter.
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