Best Step Drill Bits of 2026

"I needed to drill a hole in my exhaust to install an O2 sensor, and this bit made the job quick and easy. It cut through the exhaust tube without any trouble."

"After struggling with several high-end drill bits to make a 13/16” hole, I tried this one and it sliced through the metal like butter. The bit is exceptionally sharp and well-made—just be cautious, as it cuts very fast and clean."

"I used this drill bit to install a new grommet in my older Weber Smokey Mountain Smoker. While it was affordable and got the job done, the drilling wasn't as smooth as with my name brand bit. I had to be extra careful, but in the end, I was able to finish my project successfully."

"I used this stepper drill to enlarge a hole in my steel front door, and it did the job perfectly for my new viewport. It also worked well for drilling an electrical box. Durability and value are great, and the delivery was quick. I'm happy with it."

"I needed to make a hole in a 3/16” aluminum lens board. The bit cut through easily and left a very clean hole—I just touched it up with a Dremel. I'm very satisfied with the quality."

"When I started using this bit, it cut through thin metal quickly and offered a nice variety of sizes. After a few holes, it did start to get dull, making it a bit harder to use, but there was no wobble at all. Overall, it did the job."

"I used this step drill to enlarge a hole in my steel front door and it did an excellent, precise job. The bit also performed well on an electrical box. Durability is solid and the value is great. Delivery was quick, which I appreciate."

"This bit went through my 3/16” aluminum lens board easily and left a very clean hole. I did a little cleanup on the back, but overall, I'm really impressed with the bit's quality."

"It started out really sharp and cut through thin metal quickly, but after a few holes, I noticed it started to dull and slowed down. I did like the variety of hole sizes and that there was no wobble during use."

"I needed to install a new grommet in my old Weber Smokey Mountain Smoker and this step bit was recommended. It did the job and was very affordable, but the drilling process was a bit rough compared to my name-brand bit. I had to proceed carefully, especially since the bit tended to catch on the hole as I drilled each step. In the end, I managed to get the job done without damaging my smoker, but I'd advise others to use caution with this bit. It works, but you have to be careful."

"When I was drilling a hole in an exhaust pipe for an O2 sensor, this bit made quick work of the job. It cut through the metal easily and left a clean hole. Really impressed with how fast and efficient it was."

"I used this to enlarge four 1-inch holes to 1 1/8 inches in 3/16-inch thick steel. The bit performed just fine with a bit of cutting oil. It did what I needed it to do, and I appreciate its reliability for these kinds of projects."

"I picked up this set for my work trailer because the hardware store was charging over $60 for a single large step bit. For just $20, I got an entire set, and they’ve worked great so far, especially when I use a bit lubricant. I’m happy with the value and performance for the price."

"Honestly, I wouldn’t recommend these bits. I tried using them to drill a 3/8” hole in 16 gauge mild steel sheet, but they quickly dulled and turned red, even with oil. In my experience, they aren’t suitable for tougher materials."

"I'm extremely satisfied with my purchase—the quality is great, the case is decent, and the bits worked flawlessly. I definitely feel like I got good value for the money."

"I bought this affordable set mainly for plastic projects, and I'm impressed by how well they performed. The bits made clean holes in both plastic and metal, and they're still as sharp as new after several uses."

"They were sharp at first and worked well on softer materials, but I noticed they dull out pretty quickly. For plastic or light jobs, they're fine, but I wouldn't rely on them for tougher tasks."

"This 5-piece titanium step drill bit set has really improved my toolkit. The bits feel robust and durable, and the titanium coating helps them cut cleanly without overheating. I love that the set covers sizes from 1/16" to 1-3/8", so I don't have to constantly swap out bits. I've tested them on metal, aluminum, wood, and plastic, and they've delivered clean, accurate holes with minimal vibration each time. The storage case keeps everything organized and secure, making it easy to carry. For anyone into DIY, electrical, or general home projects, I’d strongly recommend this set—definitely a five-star purchase."

"This set is exactly what I needed for my home DIY projects. The bits are sturdy and feel high quality, and the variety of sizes covers all my needs. The sharpness is just right, and they've worked great on wood and plastic so far. The packaging is neat, and I appreciate the handy storage box."

"I’ve used these step drill bits on both steel and aluminum for 1/2” holes, and they performed exceptionally well, staying sharp and making clean cuts through both materials. Very solid quality and easy to use—overall a great deal."

"I've been using these step bits to drill through steel and aluminum doors and frames, and they just keep going strong. They're seriously tough and dependable."

"I tried these out instead of my usual Milwaukee Shockwave bits, and I was surprised—they hold up just as well. The build feels solid and they've become a solid part of my toolkit."

"I did have an issue with the bit snapping during use, even though I used proper technique. After swapping for a new set and rounding the shaft, they've worked great with no more problems. If the shaft design could be improved, these would be fantastic step bits."

"I’m thrilled with this purchase! The price is unbeatable, and the bits are incredibly sharp and sturdy. You really can’t go wrong for the value."

"I regularly work with metal and these bits have been performing well so far. The build quality is solid, though I’m curious to see how long they’ll last over time."

"I used the largest step bit for a faucet base plate and while it handled thick metal with minimal effort, I noticed it needed more pressure at the largest size. Overall, it made the job much easier."

"I've mostly used these bits on ABS plastic, and they worked exceptionally well. The set includes many diameter choices and comes in a sturdy case. The bits feel high-end and cut cleanly and sharply—I'm very pleased with their performance."

"These step bits are extremely sharp and well-made, and I found them to be very precise. They came in a nice case and were offered at a great price. Overall, I'm very happy with the purchase."

"I've used this set for all sorts of projects, especially drilling precise holes through metals like brass, steel, and copper. They're so sharp and make the job much easier and faster compared to using regular drill bits. Highly recommended for their quality, value, and ease of use."