Adjustable Circle Hole Saw, 30-300mm Black Silver Alloy Steel Wood Drill Bits for Use in Wood Board, Plastic Panel, Gypsum Board

1. The sharp and durable carbide tip can be reused after grinding. 2. The hole diameter can be adjusted by changing the distance between the drill bit tip and the center. 3. The heat-treated alloy steel is suitable for thin-film panels. 4. Can be mounted and used on electric drills and bench drills. 5. Widely used in wood panels, plastic panels, gypsum board, etc. Specification: Features: 1. Sharp and durable carbide tip can be reused after grinding. 2. The hole diameter can be adjusted by changing the distance from the drill bit tip to the center. 3. The heat-treated alloy steel is suitable for thin-film panels. 4. Can be mounted and used on electric drills and bench drills. 5. Widely used in wood panels, plastic panels, gypsum board, etc. Features: Material: Steel alloy Color: Black Shape: Plane Hole diameter range: 30-300mm / 1.18-11.81 inches Weight: Approx. 534g Package includes: 1 x Adjustable hole saw drill bit set Note: 1. Before starting operation, check that all screws are tight. 2. Make sure to hold it during operation to avoid accidents. 3. When changing the drill bit, it is necessary to turn off the power. 4. Debris generated during drilling should be cleaned with special tools rather than by hand. 5. Please note that the new and old types of this product will be sent randomly, and make sure you do not mind this before ordering. https://m.media-amazon.com/images/I/41ovOZoD-UL.jpg