53302 SATA Bi-metal Hole Saw 19MM

◆SATA bimetallic hole saw, with teeth made of high-speed steel to provide strong cutting power, and back made of material of good toughness, ensuring safety in use◆Special teeth profile design, achieving smooth swarf expelling and high cutting efficiency◆High-precision concentricity, allowing more even force on teeth, prolonging the service life of hole saw, and ensuring the quality and precision of holing◆Used to cut wood, aluminum, copper, low carbon steel, cast iron and stainless steel◆Passed the test of drilling on a 3MM stainless steel plate. Coolant required during use