Do you lubricate the drill point? when drilling 1mm. holes I use a wax candle as lubricant, I just drill the candle before each hole in metal and that lubricates the drill. You can also use a small pot of oil to dip the drill in, I use one of these when I am drilling hundreds of holes, but for single drill holes the wax candle works well, I also use the same candle to lubricate the backs of my piercing saw blades when piercing. I buy boxes of standard white wax candles, cheap and useful, you can see well used bits of candle behind the saw frame on my workbench
James
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