Yeah I did dull the first bit but even newer fancy cobalt bits are not working. Would try cutting fluid if I had some- will give chain lube a go.
If the bit has been blunted, oil won’t make it cut. The oil is to prevent the initial blunting of the bit.
@Nef started
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Yeah I did dull the first bit but even newer fancy cobalt bits are not working. Would try cutting fluid if I had some- will give chain lube a go.