Set of 5 concrete hole saws (30 mm, 40 mm, 50 mm and 65 mm shanks) for walls, cement, masonry, stone and brick.

Features:1. Strong Material: This concrete hole saw set is made of tungsten steel and YG8C alloy, boasting high hardness and a long lifespan. Equipped with ventilation holes for easy chip removal, it effectively improves work efficiency.
2. Application Scenario: This concrete hole saw set is suitable for a variety of materials, such as hollow brick, cement wall, concrete wall, red brick, stone, sun-dried mud brick, etc.
3. Sharp and Efficient: The concrete hole saw kit features a three-tooth cutting blade and a chip removal hole design.Allows you to quickly remove internal and external scratches while drilling, resulting in a cleaner, faster, and more efficient process.
4. Easy to carry: This concrete hole saw kit comes with a portable storage case for easy use and storage, equipped with 1 connecting rod and 3 center drills.
5.Fast and precise: The concrete hole saw set uses a sharp alloy tip with a fine grinding angle of 135° for easy cutting in the wall.Achieve fast drilling and improve work efficiency
Specifications:Item Type: Concrete Hole Saw Kit
Material: Cutter: Tungsten steel, Tip: YG8C
Purpose: Concrete wall, mixed brick wall, brick wall, drilling
Hole opening diameter: Approx. 30 mm (1-3/16 in), 40 mm (1-9/16 in), 50 mm / 2 in, 65 mm (2-9/16 in)
Hole opening depth: approx.50 mm / 2 in
Drill bit height: approx.70 mm (2-3/4 in)
Shank specification: length without center drill: approx.220 mm (8-11/16 inches), two slotted shanks
Center drill length: approx.109 mm / 4 in

Package List: 4 x Drill Bits
1 x Connecting Rod Set (1 x connecting rod + 3 x center drill bits)
1 x Storage Box