Technical Selection
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Best countersink for stainless steel? How to set parameters?
Recommended: M42 cobalt HSS countersink (8% cobalt) with AlCrN or TiAlN coating. Parameters: speed S=600-1200rpm, feed F=50-100mm/min, plenty of coolant. Lihao Technology's stainless steel series lasts 3x longer than standard HSS.
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