Adjustable Knife Opener 120/200/300Mm Wood Circular Saw Bit

Adjustable Aircraft Type Cutter Hole Opener 120/200/300mm Wood Circle Saw Drill Bit WoodWorking Tools 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: 30-300m Cutting Hole Diameter: 30-120mm/1.18-4.72 30-200mm/1.18-7.87 30-300mm/1.18-11.81 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. Note: 1.Please allow 1-2cm differs due to manual measurement. 2.Due to the different display and different light the picture may not reflect the actual color of the item.Thanks for your understanding. Package Includes: 1 x Adjustable Circle Hole Cutter Set