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🔧 Drill Like a Pro, Finish Like a Boss
The IRONANT Step Drill Bit Set features 5 high-speed steel bits with titanium coating, offering 50 precise sizes. Designed with a 118° split point tip and dual-flute design, these bits deliver fast, clean cuts with self-centering accuracy. Ideal for drilling through plastic, aluminum, iron, and sheet metal, this set comes in a durable aluminum case for easy storage and portability—perfect for professionals and DIYers aiming for flawless results every time.






| ASIN | B09GXP5WSH |
| Best Sellers Rank | #552 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #1 in Step Drill Bits |
| Brand Name | IRONANT |
| Customer Reviews | 4.4 4.4 out of 5 stars (2,276) |
| Cutting Angle String | 118 Degrees |
| Cutting Diameter | 1 Inches |
| Finish Types | Titanium |
| Item Weight | 1 Pounds |
| Manufacturer | IRONANT |
| Material Type | High Speed Steel (HSS) |
| Model | IRT5 |
| Number of Flutes | 2 |
| Point Style | Split Point |
| Shank Type | 3-Flat |
| Surface Recommendation | ['Aluminum', 'Plastic', 'Iron', 'Sheet Metal'] |
| Tool Flute Type | Straight |
| Unit Count | 5.0 Count |
S**N
Great drill bits
I needed either a step drill bit or a reamer drill bit in order to widen some holes in my squat rack. My squat rack has 1/2" holes and I needed to widen a couple of the holes to 1/2" in order to fit a pair of jammer bars. These drill bits worked exactly as I had hoped. The drill bits are very good quality. I had no problems using them with my electric (corded) drill. The bits cut through the steel of my squat rack easily. The included storage case with the drill bits is definitely a bonus. For me, this kit is a buy once purchase that I will always keep.
R**N
Good bits for the price.
These work just fine and are priced much less than their big brand competitors.
P**N
great product
> Great set of step bits for the price. Cuts clean and smooth through metal without grabbing, and the size markings are easy to read. The range of sizes is really useful for different projects. Held up well so far and stayed sharp. Nice set to have in the toolbox—would buy again.
A**J
Nice little set.
Nice bit set. Did well cutting through the firewall on a 76 year old truck.
S**.
Works great!
Works great! I've only used on plastic and soft aluminum but worked perfect for that. They seem sturdy enough for harder metals. I love how many different sizes comes with this and also a case for them. Fast shipping!
J**B
Great product!
Good quality for the price point, I was in a pinch and needed a stop bit but the name brands were charging an arm and a leg for just a single bit. I got a whole set for a quarter of the price!
E**S
Nice set of step drill bits in a sturdy well made box.
Nice set of step drill bits in a sturdy well made box. Extremely helpful when need holes stepped up to a certain size. Very sharp and is still sharp after many use stepping up holes in thick metals. Some stainless steel holes too, with no problem.
A**R
Good for Guitar Pedals/DIY Audio
I use this for custom guitar pedals and boy does it do the trick. I don’t even need to use a drill press. Just a pilot hole and one of these and it’s like butter. Instead of having to change sizes and bits around you can do it all in one go.
M**N
Good quality bits. A bit expensive but worth it. Quite useful in DIY stuffs. Material quality is good.
A**A
Great quality of tools, accurate size, Good box to hold the tools.
A**R
Average quality,
R**J
Very useful drill bits for iron and steel for making desired diameter holes.
J**H
Worn out two set of bits in just 15 min of usage. Couldn't even complete my project. It might be god for drilling plastic and aluminum sheet but for even a thin iron sheet it had to struggle. HSS doesn't mean anything on it, worst than 300rs step bit i get from the offline market.
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Hace 2 semanas
Hace 1 mes