Jordan,
I have a spot welder similar to yours and one of the best things I did was to make a copper cap that fits onto one of the electrodes. It is about 20mm diameter and long, drilled half way through to very loosely fit the electrode but still be able to rock a bit. The top of it is flat but with the edge a little rounded so as not to mark the job. Using this on the 'good' side of the job it avoids the sharp edged dimples that you get from a small spot weld. Obviously you can't use one of these on both sides as it wouldn't be a spot weld then and you do have to use a little more heat but it is easy to get really nice clean and strong welds this way.
David
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29-09-21, 17:22
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