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How to Choose an Annular Cutter Mag Dril...
How to Choose an Annular Cutter Mag Drill Bits?
One of the cutter size determination. The depth will be longer than the thickness of the material you are going to drill.
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
Type of the Material
If you need to drill harder material, TCT or Tin/Tia coated annular cutter is a better choice.
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