The Dewalt DT90355-QZ Set 11-part is a top-notch Extreme Bi-Metal Hole Saw Set created for plumbers and for general drilling tasks in various materials like wood, metal, and plastic. One of its standout features is the patented tooth design, which significantly improves chip removal, providing an extended tool life that is up to 2x longer than previous generations of DeWalt bi-metal hole saws.

Key Features:

• Material: Bi-metal, ensuring durability with high speed steel cutting edges and a tough body.
• Included Diameters: 19 mm, 22 mm, 29 mm, 38 mm, 44 mm, 51 mm, and 57 mm hole saws.
• Cutting Depth: Capable of cutting up to 44 mm in thick materials, suitable for 2-by dimensional lumber.
• Pilot Bits: Comes with two pilot bits for greater precision during use.
• Mandrels: Two hole saw mandrels included for compatibility with various sizes.
• Plug Ejection: Features a large, continuous slot for seamless plug removal, thanks to the Fast Plug Ejection system.

This set not only caters to diverse drilling operations through wood (including wood with nails), metal, and plastic but also supports professional plumbers and tradespeople with reliable, long-lasting performance.