How to Prevent Tool Wear When Using a Drill Bit for Metal Removal
Last month, an aerospace and heavy machinery job shop in the US Midwest pinged our tech support with an urgent issue. They were batch-processing 4140 quenched and tempered steel, but their premium solid carbide drill bits—rated for 200 holes—were micro-chipping at the tip by the 40th hole. This wear triggered a piercing screech, followed immediately […]
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