Hole Saw Kit - 16 Pieces (19mm to 76mm)

NEW AND IMPROVED ORSY BOX! Extremely fast sawing progress with minimal expenditure of force Newly developed tooth shape High concentric and side-stroke precision Sturdy base plate with more threads Very calm and low-vibration work up to a cutting depth of 38mm Combination Vario teeth made of M42 bi-metal (8% cobalt) Instructions: Pre-drill using light contact pressure. Continue drilling with minimal, even pressure; avoid oscillating while drilling, heed speed table and use coolant. Allow hole saw to “air” when using in wood and wood-replacement materials. For frequent use in steel and stainless steel, we recommend using our HW hole saws. Not suitable for thin sheet metal. Materials to be processed Suitable for steel, stainless steel, cast iron, copper, bronze, aluminum, wood and plastic.