Hole Saw Drill Bit30-200mm Black Alloy Adjustable Woodworking Opener Aircraft Type Circle Hole Saw Drill Bit Set for DIY Home Garden Woodworking Tool

Features: 1.  Durable 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 benches drill. 5.  Widely used in wooden board, plastic board, gypsum board, etc.   Specifications: 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 operation, check if all the screws are tightened. 2. Be sure to hold it during operation to prevent accidents. 3. When replacing the drill, it is necessary to cut off the power. 4. Cuttings generated during drilling should be cleaned by special tools rather than hand.