Reddit reviews Step Drill Bit Set by Volterin, Cone Titanium Coated High Speed Steel | 4-Piece Set with Pouch | 3-12mm/4-12mm/ 4-20mm and Center Punch
We found 1 Reddit comments about Step Drill Bit Set by Volterin, Cone Titanium Coated High Speed Steel | 4-Piece Set with Pouch | 3-12mm/4-12mm/ 4-20mm and Center Punch. Here are the top ones, ranked by their Reddit score.
TITANIUM | HIGH SPEED STEEL: Classic High Speed Steel With Titanium Coating For Proven Capability and DurabilityTRI-FLATTED SHANK: Fits Into Power Tools Chuck Securely and Eliminates SlipSPLIT POINT TIP: Increases Cutting Speed With Self-Centering And Prevents WalkingDrilling Holes In: Plastic, Aluminum, Copper, Stainless Steel and Many Other Types Of Sheet Metal (the board must be smaller in thickness than the height of step drill bits)TWO-FLUTE DESIGN: Clears Chips Faster and Allows Particles To Escape Easily, Smooth Cutting
Get this. Use the one that has the max width of 20mm. Perfect