Set of 2 high-efficiency TCT hard alloy hole saw drill bits for drilling φ22.5 mm/0.89 in

Features:1.The main part of the hole opener is made of hard alloy, which effectively extends its service life and increases work efficiency.
2.The cutting edge is sharp, the opening is clean and smooth, without broken edges, and the cutting resistance is low.
3.The angled tooth design at the front and back provides low resistance and high drilling capacity.
4.Wide range of applications; can be used to open holes in steel plates, iron plates, stainless steel, aluminum plates, calcium silicate plates, plastic plates, resin plates, and FRP plates.
5.Professional manufacturing, exceptional craftsmanship, and high precision contribute to delivering top performance.
Specifications:Item Type: Hole Saw
Material: Hard Alloy
Purpose: Can be used to cut holes in steel plate, iron plate, stainless steel, aluminum plate, calcium silicate plate, plastic plate, resin plate, and FRP plate.
Cutting Thickness of Plate: Approx.3 mm/0.1 in
Overall Length: Approx.88 mm/3.5 in
Inner Wall Thickness: Approx.20 mm/0.8 in
Shaft Diameter: Approx.9.8 mm/0.4 inches

Package List:Package includes: 2 x hole saws
2 x springs
2 x hex keys
Note:Not suitable for hand drills and impact drills, nor for ceramic tiles, concrete, walls, stone, and other materials.