Ulisem Bi-metal Hole Saw – 22 mm, Hard Metal, Robust, Industrial Grade, for Metal, Wood, Stainless Steel, Plastic, Copper

[High Quality] The TCT hole saw is made of HSS high-speed steel, offering high hardness and wear resistance. It undergoes high-density grinding and premium heat treatment. It features sharp edges, high strength, high precision, and a smooth cut, with exceptional impact and wear resistance. [Fatigue-Free Work] Our tungsten carbide cutter has a chip groove and insertion hole design, which effectively removes chips and increases working speed. [Not Easy to Deform] The hole saw has high hardness and does not easily deform during the drilling process, resulting in better performance. Suitable for handheld electric drills, vertical electric drills, and mobile magnetic belt drills. [Warm Tips] To extend the life of the hole saw, run the drill bit smoothly at low speed or drill the center hole. Please add coolant or water when working on stainless steel and steel sheets thicker than 5 mm.