<p>Specification:\u00A0</p> <p> Material: High Speed Steel;\u00A0</p> <p> Hardness: 50-55HRC;\u00A0</p> <p> Square hole size: 9.5mm;\u00A0</p> <p> Clamping shank diameter: 19mm;\u00A0</p> <p> Drill bit shank diameter: 7mm;\u00A0</p> <p> Square hole saw depth(max): 60mm;\u00A0</p> <p> Total Length: 195mm;\u00A0</p> <p> Fit Compatible with: Square hole machine.\u00A0</p> <p> \u00A0\u00A0</p> <p> Note: If you have no square hole machine:\u00A0</p> <p> 1, You can use electric drill to drill the hole with the drill bit of the combination.\u00A0</p> <p> 2, Use the square outer sleeve to beat the hole, and you will get a 9.5mm square hole.\u00A0</p> <p> \u00A0\u00A0</p> <p> Features:\u00A0</p> <p> 1. Square hole drill can not be used on an electric drill, drill square holes need to fit a square hole drill drilling (mortise and tenon machine) to use.\u00A0</p> <p> 2. Mortise and tenon square hole drilled by the terrible + outer sleeve in the middle of the combination.\u00A0</p> <p> 3. Reduce labor intensity of construction workers, speed up the construction speed, reduce construction costs Compatible with construction, installation, renovation, decoration industries.\u00A0</p> <p> 4. Use matters: Square hole drill is mainly used Compatible with woodworking aspects.\u00A0</p> <p> 5. The utility model in the hole drilled by the rotary body, while the impact of the use of hammer impact Compatible withce transmitted to the outer body,</p> <p> the material crushing round hole and square head wall, a one-time processing of a square hole, and the dust can be broken slag discharged</p> <p> from the tube. Using different specifications of the square hole drill, matching the appropriate power of the square hole machine, you can play a square hole to meet the requirements.\u00A0</p> <p> \u00A0\u00A0</p> <p> Package Included:\u00A0</p> <p> 1 x 9.5mm square hole saw drill bit\u00A0</p>