I have a small bench drill similar size to a Katsu but traditional construction with motor at top behind column. I want to buy a small variable speed motor ,pulleyed down as I dont need 7000rpm! I have no idea what power though .Cant spend huge amount on it . I d much rather keep it than buy a Katsu ,I dont know if they d last long or be powerful enough. Up to 4mm drilling steel,brass,bronze.
Anyone help please. Thank you