Best step drill bits for metal12/10/2023 I have NOT used these yet, but I consider their predecessor/non-impact step drills to be the best available. The spiral flute design is said to allow the bits to produce 2X faster holes.Īs shown, these Shockwave step bits have a 1/4″ hex shank. Milwaukee says the shank has an optimized ShockZone, which presumably means greater resistance to impact energy, and larger laser-engraved markings. These relatively new Milwaukee impact step drill bits have a “titanium aluminum nitride (TiAIN) coating for 5X longer life” and “Rapid Strike Tip” for fast and accurate starts. I’m hoping that some of you will talk about your experiences and preferences as far as impact-rated step drill bits are concerned, with these brands or others.ĭo you even care about impact-rated step drills, or are you (like me) still using drills for such drilling operations? Milwaukee Shockwave Impact Step Drill BitsĪbout a year and a half ago, Milwaukee came out with new Shockwave impact-rated step drill bits, describing them as the longest-lasting and fastest-cutting impact step drill bits available, and they’re made in the USA (with global materials). Perhaps one brand would dip their toes into these waters in, but several brands, and at around the same time? Top power tool accessory brands wouldn’t put energy into developing high-performing impact-rated step drill bits if there wasn’t a strong market for them yet. I don’t mind it so far, and haven’t seen any performance downsides yet, but I don’t know if it’d be willing to accommodate the current 38% to 50% bump-up in cost for two of my frequently-used sizes compared to my currently-favored non-impact bits. I have gradually gotten over my avoidance of using impact drivers with drill bits and other hole-making accessories, but I have not yet found myself requiring a quick-change impact-rated step drill bit. The couple of testing and quick project experiences weren’t habit-altering – yet – but could be the start of a process. Only recently have I been willing to try using impact-rated step drills as they are intended to be used – with an impact driver. Personally, I still use cordless drills for a great majority of my drilling and hole-making tasks. Here, I want to take a quick look at what top cordless power tool accessory brands have to offer in the area of impact-rated step drill bits.
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