Tungsten Carbide Burr Rotary Drill Bits Tools Cutter Files Shank Ø 3mm ~ 16mm
ab 2,96 €
Therefore, the single groove is more suitable for iron, copper and steel. Material: Tungsten steel. Double groove is suitable for wood, plastic, aluminum and other soft materials, cross grain, more suitable for objects with relatively low density, such as: wood, plastic, aluminum material, with cross grain drainage fast, grinding and carving is not easy to block the grain, so it is more suitable for use on soft objects.
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