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Why choose our bi-metal hole saw kit? 22PCS Bi-metal hole saw kit with 2 size mandrels to meet all your drilling needs. 12PCS different size hole saw blades, 3/4" (19mm), 7/8" (22mm), 1"(25mm), 1-1/8" (29mm), 1-1/4" (32mm), 1-3/8"(35mm), 1-1/2"(38mm), 1-3/4"(44mm), 2"(51mm), 2-1/8"(54mm), 2-1/4"(57mm), 2-1/2"(64mm). 3PCS drill bits for enough replacement, can be widely used for metal, PVC board, wood, plastic, and drywall. 12 x Hole Saws, 3 x Drill Bits, 2 x Mandrels, 1 x Extension Rod, 1 x Spring, 1 x Adapter, 2 x Hex Keys 4 slot circular arc spiral chip flute design for easy removal of chips in all directions. High speed steel hole saws with sharp teeth can provide a fast, clean and smooth hole cutting. Made of high strength hard alloy steel, very strong and durable. Ideal for metal, PVC board, wood, plastic, drywall. To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzed reviews to verify trustworthiness.







