Milwaukee's Standard 6 teeth per inch hole saws are ideal for high production hole cutting of all machinable materials, including steel, aluminum, copper, brass, sheet metal, stainless steel, wood or plastic for the purpose of installing pipe, copper tubing or PVC. Select the arbor depending on the capacity of the drill being used and the size of the hole saw.FEATURES: 3-1/2 in. (89 mm) diameter. 1-1/2 in. depth of cut. Bi-metal 6 teeth per inch design. Sturdy 3/16 in. thick steel back
