Adjustable Circle Hole Cutter - 120/200mm Aircraft Type Cutter Hole Opener Steel Alloy Wood Circle Saw Drill Bit - Woodworking Twist Hole DIY Tools -120mm Black-

Features: The hole is round and cut flat,smooth and burr-free, and the roundness is good. Can be used again after sharp and durable polishing. The diameter of the hole can be adjusted by the distance from the tip to the center. Heated alloy steel used for bomoban. Exquisite craftsma nship superior performance wide application. Applicable materials: wood board, plastic board, plywood, gypsum board, 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. Specifications: Material: Steel body & Alloy head Adjustable range: 40-200m Cutting Hole Diameter: 40-120mm/1.18-4.72", 40-200mm/1.18-7.78" Cutting Depth: 25mm/0.98" Length of bore bit: 4.8cm/1.89” 4.5cm/1.77” Length of blade: 3.4cm/1.34” Shank Diameter:9.5mm/0.37" (Suitable for 10mm diameter electric drill) Suitable for drill: Plywood, Laminates, Composite, Gypsum, Rubber, Plastic, Hardwood etc. Packaging General Box Note: It can not be used for drill metal or stone. Package Includes: 1 x 1 x Adjustable Circle Hole Cutter Set