Features • Premium Diamond Material: Crafted from high-quality diamond, this Brazed Drilling Core Bit ensures exceptional durability and long-lasting performance during tough drilling tasks • Versatile Application: Ideal for opening and coring through various materials such as marble, ceramic brick, and walls, making it perfect for both professional and DIY projects • Fast and Smooth Drilling: Experience strong opening performance with quick drilling speeds and seamless results, reducing the need for additional finishing work • Professional Design: The thoughtfully designed Hole Saw Hole Cutter features an attractive appearance and is lightweight, making it easy to carry and use on the go • Compatible with Angle Grinders: This versatile Diamond Drilling Bit is specifically designed for use with angle grinders, enhancing your toolset with exceptional functionality Features: 1、Sharp and carbide tip can be reused after grinding. 2、The hole diameter can be adjusted by the distance from the drill bit tip to the center. 3、Alloy steel with heat treatment can be used for thin-film plate. 4、Can be installed and operated on the electric drill and bench drill. 5、Widely used in wooden board, plastic board, gypsum board, etc. Specification: Features: 1. Sharp and carbide tip can be reused after grinding. 2. The hole diameter can be adjusted by the distance from the drill bit tip to the center. 3. Alloy steel with heat treatment can be used for thin-film plate. 4. Can be installed and operated on the electric drill and bench drill. 5. Widely used in wooden board, plastic board, gypsum board, etc. Specification: Material: alloy steel Color: black Shape: airplane Hole diameter range: 30-200mm / 1.18-7.87in Weight: Approx. 450g Package Includes: 1 x Adjustable Hole Saw Drill Bit Set Note: 1. Before starting , check if all the screws are tightened. 2. Be sure to hold it during to prevent accidents. 3. When replacing the drill, it is necary to cut off the power. 4. Cuttings generated during drilling should be cleaned by special tools rather than hand. Package List