Step Drill Bit - 6-65mm Step Countersink Spiral Cone Drill Bit With Triangular Shaft suitable for Me

Bigger Dimensions - Our Drill Bit Is Bigger To Be Able To Drill Bigger Holes13 Hole Sizes - 6Mm, 10Mm, 15Mm, 20Mm, 25Mm, 30Mm, 35Mm, 40Mm, 45Mm , 50Mm, 55Mm, 60Mm, 65MmUp To 0.2 Inch Thick - Fast-Acting Tip Drills Twice As Fast As Other Mid-Pitch Drill Bits And Can Pierce Acrylic, Pvc, Wood, Aluminum Or Sheet IronThree Flute Design - Prevents Metal Fillings From Flying Out And Removes Chips Faster, So The Drill Can Drill Easier Without Getting Hot High Speed Steel - Toughness, Wear Resistance And Material Red Hardness Balanced For Better And Faster Drilling Performance. Titanium Coating Makes The Drill More Durable And Stronger