12 Pcs 18-75mm Bimetal Hole Saw Large Hole Saw for Drilling Panel, Plastic, Pipe, Wood, Fiberboard, Soft Metal

12 Pieces Bi-Metal Hole Saw Set. Different sizes meet all your needs: 18mm, 20mm, 24mm, 28mm, 30mm, 35mm, 38mm, 45mm, 50mm, 55mm, 75mm. Cutting depth: 30 mm. Each hole saw has a shaft with drill bit. M42 and Bi-Metal HSS Hole Saw Set for higher hardness and higher strength, better cutting performance. They cut tiles and plasterboard smoothly. Hole saws made of sturdy bi-metal and unique HSS sharp, with sharper teeth and four drain holes for chips. Quickly remove cutting material. The cutting edge is smoother. The blades of 4 hole saws are perfect for drilling metal sheet, drywall, plastic pipe, wood, PVC, fiberboard, grommet, recessed light fixtures and drilling holes.