I have found the step drill bit to be a valuable tool with its ability to replace numerous twist bits, deburrers, and reamers. There are a number of reasons you should use a step drill bit for drilling into sheet metals.
I have compiled a list of reasons I recommend every DIY enthusiast to add step drill bits to their toolbox.
Multiple Diameters: With multiple diameters, a step drill bit saves you from the hassle of changing drill bits when you need to drill a lot of holes of different sizes. You can use a step drill bit to drill holes of different diameters.http://www.ceres-tools.com/dri....ll-bits/step-drill-b
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