[Carbide Tips] - The carbide tip is hard (with a hardness of 89~95HRA), not easy to wear, and has a longer lifespan.
[Triple cutting geometric design] - Superior "Triple Edge" cutting system allows for more efficient cutting with less vibration. The holes cut are smoother and burr-free than standard high speed steel annular cutters.
[12 Pcs] - The annular cutter set includes 10 drill bits(cutting diameter: 1/2”, 9/16”, 5/8”, 11/16”, 3/4”, 13/16”, 7/8”,15/16”, 1”, 1-1/16”) and 2 pilot pins.
[Applicable Materials] - The cutters are suitable for drilling stainless steel plates, steel plates, copper plates, and aluminum plates, but not for wood.
[Warranty] - If the product has quality problems within one year, it can be repaired or replaced free of charge. So please buy with confidence.