Description: This machine is a fool-drill grinding machine, precision grinding and fast, simple operation, without skills can easily grind. Affordable, saving costs and improve efficiency in the use. A wheel just to complete all the processes, the precise angle, long life. Powerful DC motor electronic control: frequency stabilization, high-powered, long use. This machine has a tip angle (vertex), escape clearance angle (the angle), the center free to adjust the size of the chisel edge, alternative center drill more accurate positioning. The machine has a static point (the center) sizing, drilling can be done effectively with the material with the material, the speed, quality and accuracy of the work piece can control and extend the life of the drill bit. Features: 1. Grinding is accurate and rapid, easy operation with no skill to grind. 2. Economical price that greatly reduces the cost and improves the use effect. 3. With diamond grinding wheel, it can be equipped directly with an accurate angle and long service life. 4. The electrically controlled and powerful DC motor: stable frequency, strong horsepower and long service life. Parameters: Model:13A Grinding Range: Ф3(2)-ф13(15) Point angle: 100°(95°)-135° Power:110V, 50HZ Motor/Speed:180W/4800rpm Weight:10KG Dimension:32×18×19cm Standard Equipment Grinding wheel :CBN (for HSS)×1 piece 11collets: ф3-ф13 collet chuck ×1 piece Electric wire: 1piece 1 piece hexagon wrench (5mm) Optional Equipment Grinding wheel :SD (for Carbide) ER20 collet: ф2.5, ф3.5 ф4.5 ф5.5 ф14, ф15 Collet chuck: ф15mm Package Included(027063): INTBUYING Drill Bits Grinder Grinding Machine for Industrial Drill Grinding 110V