Adjustable Hole Saw, Adjustable Core Drill Bit 30-120mm Wood Drill Bit for Drilling Holes in Wood, Plastic, and Plaster

General Description The adjustable hole saw is a versatile tool designed for drilling holes in various materials such as plywood, plasterboard, acrylic, and fiber cement boards. With an adjustable diameter from 30 mm to 120 mm, it is ideal for installing recessed spotlights or speakers. Technical Specifications • Material: Chrome vanadium steel • Color: Black • Maximum cutting depth: 30 mm • Drilling diameter: 30-120 mm • Weight: 490 g Installation • Mounts on a drill with a 6-sided hex shank. Operation • Before drilling, ensure that both cutting edges are set to the same diameter. • Start with a low initial rotation speed. • Check that all screws are tightened before starting. • Hold the tool firmly during operation to prevent accidents. • Disconnect the power when changing the drill bit. • Use special tools to clean up any debris generated during drilling.