Geinxurn M42 Hole Saw Set: 22/29/35mm Bi-Metal with Hex Shank & L-Wrench. Fast Cutting for Metal Wood Plastic Drywall

Geinxurn M42 Hole Saw SetSIZEHole saws feature automatic chip removal and auto-eject technology, eliminating the need for manual prying of plugs and saving time on every cut.Hole saws feature a stepped design with a depth stop step, enabling effortless extraction and maximum drilling efficiency, unlike traditional models that get stuck easily and are difficult to removePrecision HSS cutting teeth deliver clean holes in PVC, wood, plasterboard, density board and thin metal; designed for DIY and professional use, excluding glass, ceramic tile and concrete applications.Hole Saw: 1/4" Hex Shank – Works with Every Drill, Everywhere.Precision Cutting: Sharp, durable teeth deliver clean, accurate holes, reducing the need for rework and saving valuable time on the job.Built to Last: Constructed from high-quality materials, these hole saws withstand heavy use, ensuring reliable performance even in the toughest work environments.Hole saws deliver precision and durability, featuring an advanced center drill bit, spring-loaded chip removal, stepped design for easy extraction, and special M42 tooth grinding for smooth, fast, and clean cutting.1. Screw RemovalUse the supplied hex key to loosen and remove the set screw from the shank.2. Drill Bit ReplacementRemove the old center drill bit and insert a new one, then retighten the set screw with the hex key.3. Cutter Head InstallationAlign and screw the red cutter head onto the shank until it is securely tightened.4. Spring InsertionInsert the spring-loaded center drill into the cutter head to enable automatic chip removal.