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🔧 Drill Like a Pro, Finish Like a Boss!
The SS SHOVAN 3PCS HSS Spiral Step Drill Bit Set features a patented 4-flute spiral design for cleaner, faster drilling with less mess. Crafted from titanium-coated 4341 high-speed steel, these bits offer exceptional durability and corrosion resistance. The 1/4" hex shank ensures a slip-free fit in any drill, while the metric step sizes (4-32mm) provide precise hole sizing across multiple materials including metal, plastic, and wood. Ideal for professionals and DIY enthusiasts seeking reliable, multifunctional drill bits in a convenient kit.






| ASIN | B0BZVPRC2D |
| Best Sellers Rank | 1,235 in DIY & Tools ( See Top 100 in DIY & Tools ) 2 in Step Bits 5 in Drill Bit Sets |
| Brand | ss shovan |
| Country Of Origin | China |
| Customer Reviews | 4.4 4.4 out of 5 stars (5,898) |
| Cutting Angle String | 135 Degrees |
| Cutting Diameter | 12 Millimetres |
| Finish Types | Hss |
| Included Components | 3pcs step drill bit |
| Manufacturer | ss shovan |
| Material | High Speed Steel (HSS) |
| Minimum Bore Diameter | 4 Millimetres |
| Model Number | SDB-4R |
| Number of Flutes | 4 |
| Shank Type | Hex |
| Surface Recommendation | Metal |
| Tool Flute Type | Spiral |
| Unit Count | 3.0 count |
N**S
Sharp and accurate.
These bits work well in metal or wood and, as the steps are marked in millimetres, accurately drill or enlarge holes. Great quality!
L**X
Just brilliant
Absolutely brilliant little drill bits. My house is made from steel so didn't have much confidence these would work. How wrong was I, they drilled through my steel walls with easy. I'm one happy customer 😁
M**O
not the best on harder metals like stainless.
bit beautifully on an impact driver or drill. and the hole sizes are accurate enough. the metal isn't very hard though and on stainless steel it wore the bit sharpness down quickly. hence not very durable on stainless but should be better on mild steel, brass, copper aluminium or plastics etc.. decent for the price though and does the job
S**E
Fantastic value for money. Cut through 5mm stainless like butter.
Last set has lasted nearly 2 years. I just used them to put 6 6mm holes in 5mm thick steel, cut through it like butter and that's after I've been using them for 2 years. Only just need to buy replacement due to snapping a drill bit on the same steel. Couldn't believe the difference in speed between these and the normal HSS drill bits, I won't use anything else for metal going forwards (unless I need a 5mm hole lol). The elongated hole is the one that had the snapped drill bit in, it took me ages to get it out so ignore that. Only tool used here was the stepper bits
B**N
Good product
Arrived quickly, exactly as described
M**D
Doesn’t cut logs
Didn’t split the logs like in the video, but they are sturdy so will hopefully work for something else. Shame as made out cutting logs really easy with this!
C**T
good value
Did what they were suposed to do, good product for the money.
F**M
Cut well, you need experience to use,
I have this set for a short time, and I used 4 mm metal and it made the holes easy, I do not know how long it will work but at the moment I am satisfied.
S**M
I needed to make a large hole in a plastic piece on my Vespa to install a USB outlet and the hole required to fit was rather large. A normal drill bit was not going to work in this case, but these step bits did the trick. Very sharp and they easily cut through the plastic and I had a perfect install of my USB port. Care must be used when using these as they are very sharp and you can easily go a bit too far if you're not careful. I recommend.
L**.
Macht was es soll - bohrt in Stufen Löcher!
V**A
Ottimo set, ottimo prezzo
F**K
Goede produkt, scherpe prijs
N**N
Rien à signaler avec ce prix. Peut-être pas la meilleure matière mais fonctionne très bien, j'ai testé sur une feuille de métal d'épaisseur d'environ 1mm
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