Drill Bit Material Comparison & Types - What is the Best ...
2020-7-24 · – Price: cobalt drill bits are cheaper than carbide bits. – Properties: carbide bits can resist more temperature than cobalt and HSS. – Cutting speed: carbide > cobalt – Application: cobalt bit can drill stainless and hardened steel, carbide bits are widely used for drilling nonferrous heavy metals, cast iron and abrasive materials. 2.
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