คาร์ไบด์ดอกสว่านคาร์ไบด์ tipped บิตเจาะ

One Straight Flute Bits Micro - Grain Solid Carbide CNC Carbide Bits For Cutting Wood, Laminate, Artificial stone Description: Bits are made of micro-grain solid carbide, Produced by Walter CNC grinding machines. OEM and ODM are available Applications: Mainly for MDF, hardwood. Specifications: Competitive Advantage: 1): Micro-grain carbide tips to make sure bits sharp and durable. 2): Cutting surface is finished, without burrs and skins char. 3): imported CNC grinding