Description of ๐ช Bi-Metal Fiberboard with Enhanced Positive Cutting Ability
4 inch hole saw (38mm depth) comes WITH ARBOR; 2 EXTRA DRILL BITS and 1 EXTRA HEX WRENCH for replacement. Hole saw made of top HSS & Bi-Metal for Heavy Dusty capability improved durability with Rust-proof. Drilling with sharper Positive Rake Tooth cuts material faster than other brand. The 4" hole saw fits universal Mandrel such as Lenox, Dewalt, Milwaukee and Bosch. 38mm depth of hole saw help to cut 2x material in 1 pass. This 4 Hole Saw Blade is design for drilling metal sheet, drywall, plastic pipe, wood, PVC, fiberboard, grommet hole, recessed light and can light hole Drilling. Increased wall thickness of hole saw improves durability and minimizes tooth loss, 2X more durable with 50% longer life than other brand hole saws. Abuff hole saw and 90 days refund or replacement for no reasons. All your product problems in these 2 years warranty will be solved promptly. Just contact us whenever you have troubles or suggestions.