Simple operation, easy to use, and fast perforated.<br> Center positioning: 130 degree drill point design, strong wear resistance, cutting sharper.<br> High-Quality Material: Crafted from robust metal, this electric hammer drill bit ensures durability and longevity, providing you with reliable performance for years.<br> Versatile Use: This drill bit is perfect for drilling into hollow bricks, concrete, and even opening wall holes, making it a versatile tool for various projects.<br> Air Conditioning Installation: Ideal for air conditioning water pipe installation, this drill bit saves time and effort, ensuring precise and efficient drilling.<br> Name:Conditioner Installation Drilling<br> Hole opener:30/40/60mm<br> Connecting rod:220mm<br> DIY Supplies:Plumbing<br> Type:Core Drill Bit<br> Use:Masonry Drilling<br> cement brick electric hammer drill bit widely used for cutting clean holes in concrete, brick and block work, drilling walls, stones, installation of air-conditioning, etc.<br> Compact Design: With its compact design, this drill bit is easy to handle and maneuver, offering a comfortable grip for the user.<br> Efficient Drilling: The electric hammer drill bit provides efficient drilling, reducing the time and effort required for any job.<br> Colour:As Shown<br> Material:Metal<br> Package Contents:<br> 3 * Hole opener<br> 1 * connecting rod<br> 3 * center drill<br> 1 * wrench<br> Only the above package content, other products are not included.<br> Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.