Concrete Drill Bit with 350mm Round Handle SDS Plus Concrete Sawing Hole Drill Bit Cement Stone Wall Drill Bit with 30/40/50mm Expansion（Silver)

This set includes 30mm, 40mm, 50mm core drill bits, SDS+ chucks, guide drills and a 350mm SDS+ extension shank. Made of hardened metal, high quality tungsten carbide tip, long service life. Suitable for brick walls, red bricks, masonry walls, foam bricks, hollow core drills, etc. It can be used to install air conditioners such as air conditioners, extractor hoods or washing machines. The teeth of the drill bit are sharp, the vibration is small during the opening process, and the operation is stable. Rounds alloy blade combinations, with each blade having to bear part of the workload, not risking tearing. Professionally designed drain ports ensure gentle chip removal when opening. Comes complete with core drill, pilot drill and SDS arbor, easy and quick to drill.Low pressure is essential to extend the life of the cutting tips and achieve a straight cut. they cannot be used for concrete, load-bearing walls, walls with steel bars. Advantages: 1. Made of high quality carbide tipped metal, very durable. 2. Mostly replace the broken adapter with your drill chuck. 3. Simple operation, easy to use and punched quickly. 4. Used for drilling walls, stones, bricks or air conditioning installation, etc. 5. High frequency welding technology, the welding openings are very strong, smooth inside and outside the welding mouth. Precautions: 1. The hole opener and connecting rod must be used together to penetrate the wall. 2. After penetrating the wall, you can remove the positioning bit and reopen the hole. 3.Hole openers cannot be used for concrete, load-bearing walls, walls with steel bars. 4. This set cannot be used for impact drills and hand drills for three-jaw chucks. 5. During use, the force should be uniform and the machine should be stable to avoid danger. Note: When drilling large concrete walls, it is necessary to add water and cool continuously during drilling to ensure the wear resistance of the drill bit. Features: 1. Durable - This SDS Plus Shank Hole Saw Set is made of carbide tipped metal, very durable. 2. Excellent Work - Simple operation, easy to use and punched quickly, ideal for cutting clean holes in concrete, brick and blocks. 3. Applications: It can be used to install air conditioners, such as air conditioners, extractor hoods or washing machines.Punching of pipes, etc. Specifications: Product Name: SDS Plus Round Handle Concrete Wall Drill Bit Color: Silver Core Drill Diameter: 30mm, 40mm, 50mm, Weight: 1.5kg Material: Carbide Tipped Metal Connecting Rod Length: Approx. 350mm Equipment used: impact drill, electric hammer, etc. Usage: brick walls, red bricks, masonry walls, foam bricks, hollow core drills, etc. Applications: It can be used to install air conditioners, such as air conditioners, hoods or washing machines, pipe punching machines, etc. SDS Plus Shank Hole Saw Cutter Opening hole operation of wall and brick structure, such as adobe wall, mixed brick wall, cement wall, moss wall, red brick wall. Widely used to install air conditioner, oil vapor extractor and open sewer pipe hole etc.Wide Range of Applications This masonry hole cutter set is made of high quality tungsten carbide tipped material, high strength and excellent drilling performance for long-term tough drilling work, also durable enough for long service life. Well Done Low pressure is essential to extend the life of cutting tips and achieve a straight cut. Hole openers cannot be used for concrete, load-bearing walls, walls with steel bars. Precautions Made of hardened metal, high quality tungsten carbide tip, durable and long service life. Suitable for brick walls, red bricks, masonry walls, foam bricks, hollow core drills, etc. It can be used to install air conditioners, such as air conditioners, hoods or washing machines.