PLG2SUPT 4-1/4” HSS Bi Metal Hole Saw Cutter for Wood Drywall Plastic Aluminum Mild Steel Iron Metal Stainless Steel Heavy Duty Hole Saw Bit with

PLG2SUPT 4-1/4” HSS Bi Metal Hole Saw Cutter for Wood Drywall Plastic Aluminum Mild Steel Iron Metal Stainless Steel Heavy Duty Hole Saw Bit with

Package: 1 of 4-1/4” hole saw bit (red or black), 1 of mandrel for 1/2” chuck, 1 of silver HSS pilot drill bit for wood, soft metal. 1 of black HSS pilot drill bit for hard metal. Application: Ideal for wood, plasterboard, PVC, MDF, drywall, aluminum. Can cuts thin metal. Not only for wood. It's real bi-metal hole saw. It’s much better for cutting soft material. Long Life: Can drill 30 holes (up to) in 0.12" low carbon steel plate. Be careful: Lower the speed at the beginning, otherwise, it is easy to break teeth. Max cutting depth: Up to 1-1/2” (38 mm) Durability and Quality: Bi-metal strip is made by laser welding machine and vacuum heat treatment, providing better hardness, strength, and longer life. For DIY projects and household maintenance and repair, utilizes alignment window and taller bushings to deliver accurate height placement and straight drilling.