Adjustable 40-300mm Circle Hole Saw Drill Bit Metal Wood Cutter Kit DIY Tool

Description: Adjustable 40-300mm Circle Hole Saw Drill Bit Metal Wood Cutter Kit DIY Tool Specification: Material: Steel body & Alloy heads Cutting Depth: 30mm Adjustable range: 40-300mm Size: L*W/330*245mm / 12.99*9.64'' Shank Diameter: 10mm Round Shank (Suitable for 10mm diameter electric drill) Optimal Rotational Speed: 280~300 r/min Quantity: 1pc Features: Durable and practical. Perfect for Installing Locks, Knobs in Doors and Cabinets or Drilling Larger Diameter Holes Through Desks Etc. Suitable for drill: Plywood, Laminates, Composite, Gypsum, Rubber, Plastic, Hardwood etc. How to use: 1. Two blades reach drill center distance are equal, can open hole. 2. Two blades reach drill center distance are not equal, can get concentric rings and circles. 3. Before drilling to check whether the blade is fixed and adjustable diameter bolts tightened to prevent accidents 4. When the blade is not sharp please grind the blade then use. Package Included: 1 x Circle Hole Saw Drill Bit More Details: