• Compatible with round arbor 36-570, hex arbor 36-571, hex arbor 36-572
• 4/6 variable pitch geometry with unique fleem ground teeth design
• Diamond sides provide quick plug removal (on 7/8 in. to 6 in. hole saws)
• Cats eye openings on solid steel back plate (on 2 in. to 6 in. hole saws)
• 1-7/8 in. depth of cut

The Ideal 36-522-561 is a bi-metal hole saw available in 1-1/4-inch to 6 inches diameter. Models 36-522 through 36-561 are compatible with 7/16-inch hex arbor 36-573, and 3/8-inch quick change arbor 36-574 (sold separately). Ideal’s bi-metal hole saw is constructed of M42 high-speed steel, with 8 percent premium cobalt and a rigid solid steel back plate providing high strength and greater wear resistance.

The deep gulleted teeth design clears out uniform chips minimizing binding on the job and providing 1.2 times faster drilling time than other manufacturers in the market. With a standard 1-7/8-inch cutting depth you can save time by cutting 2 x 4’s with a single pass. The bi-metal hole saws effectively cut through a wide range of materials, including stainless steel and sheet metal, as well as common non-ferrous materials, such as aluminum, copper, brass, wood, engineered wood, nail embedded wood and plastics.

Ideal offers a wide variety of bi-metal hole saws including sizes from 7/8-inch to 6-inches that include diamond side eyes to provide ease of slug removal. The 2-inch to 6-inch hole saws have large cat eyes on the back that not only provide line of sight but aid in plug removal. The bi-metal hole saw is ideal for a wide variety of trades including electrical, plumbing, general construction, maintenance, and automotive.