5Pcs Concrete Hole Saw Kit 30mm 40mm 50mm 65mm Shank Wall Cement Masonry Stone Brick Drill Bit Sets

Feature: 1. STRONG MATERIAL: This concrete hole saw set is made of tungsten steel and YG8C alloy, possess high hardness, long lasting, equipped with ventilation device holes, easy to remove dirties, effectively improve 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. Can be used to install air conditioning, range hood, water pipe, water heater, exhaust duct, sewer and other openings 3. INCISIVE AND EFFECTIVE: Concrete hole saw kit sharpness of three cutter teeth and chip removal hole design. Enables you to quickly remove internal and external scratches while drilling, cleaner, faster and more efficient 4. EASY TO CARRY: This concrete hole saw kit comes with a portable storage box for easy use and storage, equipped with 1 connecting rod and 3 center drills 5. FAST AND ACCURATE: The concrete hole saw set uses an incisive alloy tip with a fine grinding angle of 135 degrees for easy cutting into the wall. Achieve fast drilling and improve work efficiency Specification: 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. 30mm(1316in), 40mm(1916in), 50mm 2in, 65mm(2916in) Hole Opening Depth: Approx. 50mm 2in Drill Bit Height: Approx. 70mm(234in) Shank Specification: Length without Center Drill: Approx. 220mm(81116in), Two Slot shank Center Drill Length: Approx. 109mm 4in. Package List: 4 x Drill Bits 1 x Connecting Rod Set (1 x connecting rod + 3 x center drills) 1 x Storage BoxSTRONG MATERIAL: This concrete hole saw set is made of tungsten steel and YG8C alloy, possess high hardness, long lasting, equipped with ventilation device holes, easy to remove dirties, effectively improve work efficiency 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. Can be used to install air conditioning, range hood, water pipe, water INCISIVE AND EFFECTIVE: Concrete hole saw kit sharpness of three cutter teeth and chip removal hole design. Enables you to quickly remove internal and external scratches while drilling, cleaner, faster and more efficient EASY TO CARRY: This concrete hole saw kit comes with a portable storage box for easy use and storage, equipped with 1 connecting rod and 3 center drills FAST AND ACCURATE: The concrete hole saw set uses an incisive alloy tip with a fine grinding angle of 135 degrees for easy cutting into the wall. Achieve fast drilling and improve work efficiency