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🔧 Drill Smarter, Not Harder — The Ultimate Step Bit Set for Precision Pros!
The SS SHOVAN 3PCS HSS Spiral Step Drill Bit Set features a patented 4-flute spiral design for smooth swarf removal and reduced splatter, crafted from durable titanium-coated HSS 4341 steel for enhanced wear resistance. With a 1/4" hex shank to prevent slipping and a versatile metric range of 4-32mm, this set is engineered for precision drilling, deburring, and chamfering across metal, plastic, and wood surfaces—ideal for professional tradespeople and DIY enthusiasts seeking reliable, multifunctional tools.
| ASIN | B0BZVPRC2D |
| Best Sellers Rank | 704 in DIY & Tools ( See Top 100 in DIY & Tools ) 1 in Step Bits |
| Brand | ss shovan |
| Country Of Origin | China |
| Customer Reviews | 4.4 out of 5 stars 5,974 Reviews |
| Cutting Angle String | 135 Degrees |
| Cutting Diameter | 12 Millimetres |
| Cutting angle string | 135 Degrees |
| Cutting diameter | 12 Millimetres |
| Finish Types | Hss |
| Finish type | Hss |
| Included Components | 3pcs step drill bit |
| Manufacturer | ss shovan |
| Manufacturer Part Number | SDB-4R |
| Material | High Speed Steel (HSS) |
| Minimum Bore Diameter | 4 Millimetres |
| Model Number | SDB-4R |
| Number of Flutes | 4 |
| Number of Pieces | 3 |
| Set Name | 3PCS |
| Shank Type | Hex |
| Shank type | Hex |
| Surface Recommendation | Metal |
| Tool Flute Type | Spiral |
| Unit Count | 3.0 count |
D**L
Recommend for professional and DIY
For the price these are possibly unbeatable. I use these for professional electrical installation work. I only use for thin plastic and unhardend metal materials. Very versatile. They make a lot of holes in metal before blunting for the price point. They are cheap and can take some abuse if you needed to drill something you wouldn't want to blunt expensive cutters on. If you loose then no problem either. Thats why these are my go to atm. Buying expensive is sometimes a waste of money. If you are drilling metal sheet or softer than hardned metal materials these are excellent.
A**.
A good choice and price.
These were all very good. Strong and so far reliable. I would recommend these bits and buy them again in the future.
K**R
Very good product
Very good product for the price cuts well, used them on mild steal box. One broke on the tip but that was my fault not keeping the drill straight.
P**Y
Works as it should. Great kit for the price
Great bit of kit. Used on 5mm thick mild steel. Cutting 8x 10mm holes and 4x 32mm holes and done the job. And still cutting nicely
U**E
Very good
Fantastic bits and does the job very well. Sharpe and cuts nicely.
J**N
Ok
Ok not the best not the bad
B**N
Value for money
Better than expected.
W**H
Just what the job needed
Good product
S**M
Great Tool
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**.
Alles super!
Macht was es soll - bohrt in Stufen Löcher!
V**A
Funzionali
Ottimo set, ottimo prezzo
K**N
Stufenbohrer Top
Sehr gutes stabiles Produkt. Für mich absolut ausreichend!
N**N
Qualité prix super
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
Trustpilot
1 day ago
2 days ago