Feature with straight shank, helical groove and fine pitch, precise tool for rough milling, used to drill into work piece for slotting.4 flutes with high precision and sharpness, ensures fast and smooth chip evacuation and provides efficient milling efficiency.Widely used for machining of aluminum, cast iron, copper, magnesium alloy, plastic, wood, mild steel and non-ferrous metal materials, etc.Made of heat-treated HSS-AL, spiral router bit has high hardness, wear resistance, heat resistance, corrosion resistance, providing good milling and cutting performance.Keep the feed rate low at first and then gradually increase it. Avoid selecting a feed rate that is too high, which may cause vibration or excessive tool wear.
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