บิตเราเตอร์ที่กำหนดเองเราเตอร์เกลียวบิต

High Precision Woodworking Reversible Stile & Rail TCT Router Bit - ogee For Woodworking Descrition: T.C.T router bits for woodworking. Made of 45#carbon steel, the cutting parts are Micro-grain Tungsten carbide. The welding type is silver welding or copper welding. With two times grinding rough grinding and finish grinding make sure tips sharp and high precision. Bits can be painted with different colors, such as red, white, black, cherry, and so on, or with finished