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🔧 Drill smarter, not harder — precision meets power in every twist!
The Mtsooning 10PCS 2.5mm Micro HSS Cobalt Twist Drill Bit Set features high-grade HSS-4341 cobalt alloy for exceptional durability and heat resistance. Designed with a 135° split point tip and spiral torsional design, these bits deliver faster, precise drilling with self-centering accuracy. Ideal for professionals tackling stainless steel, wood, plastic, copper, and aluminum, this set comes neatly organized in a portable case, making it the ultimate compact toolkit essential for any serious craftsman or manager who values efficiency and quality.
| Asin | B071JNC9ZK |
| Best Sellers Rank | #80,425 in Tools & Home Improvement (See Top 100 in Tools & Home Improvement) #188 in Jobber Drill Bits |
| Brand Name | Mtsooning |
| Customer Reviews | 3.9 3.9 out of 5 stars (1,004) 3.9 out of 5 stars |
| Cutting Angle String | 135 degrees |
| Cutting Diameter | 2.5 millimeters |
| Finish Types | Aluminum |
| Manufacturer | Mtsooning |
| Material Type | Alloy Steel |
| Model | Buildamznuk0902 |
| Number Of Flutes | 1 |
| Number Of Pieces | 10 |
| Part Number | SZ050090031323RK-21 |
| Point Style | Split Point |
| Set Name | Mtsooning 10-Piece Drill Bit Set |
| Shank Type | Straight |
| Surface Recommendation | Aluminum,Stainless Steel,Wood,Copper,Plastic,Metal |
| Tool Flute Type | Straight |
| Unit Count | 10 Count |
| Upc | 682698804742 |
User
They work.
They are drill bits. They work. Some of the small metal cutting disc's for dremel type tools come with a very tiny center hole and mount on the shafts with a very tiny screw . There are shafts that have a bigger screw with a wider shoulder and washer that add much better support to help keep the disc's from shattering. To use the larger screw , the disc hole needs to be drilled to 3mm .These bits work perfect for that purpose. Very happy purchase.
User
Just what I needed
I had a small project that needed a drill bit of this size. Great eBay Seller, Very Fast Shipping, Excellent Auction Items! Thank you, all A+++++ here!
User
Drill bits or just steel rods?
Yeah the headline is a bit of an exaggeration, but boy these bits are absolutely horrible. I bought these for the new Blum tandem jig I got. I never replaced the bit on the old jig, and I don’t know how many thousands of holes the old bits have bored, and it still only requires light pressure to drill holes. This new bit requires tremendous force to drill a 2.5 millimeter hole in poplar. How it that possible? I can use a thumbtack with a fraction of the force. Needless to say these bits went in the trash, and new ones are on the way from a different company. I seriously can’t get over how hard it was to drill such tiny holes. I go through a couple hundred thousand screws a year in my company. Many of these screws require pilot holes so I’m very familiar with the characteristics of drill bits. If you need 2.5mm bits please look elsewhere.
User
Entrega satisfactoria
Muy buen producto
User
My 1mm drill bit broke, so I needed new ones in a hurry
Being a boat modeler you need all kinds of tools and need to know where to get them. There is enough in this order to last a lng time
User
works good
the size was right, as well as the price
User
Works great
Works great. I am using it in a dremel tool
User
I’d rate it 0 stars if I could
Absolutely the worst drill bits I’ve ever bought. Got them to drill into brass a very soft metal couldn’t do it at all and I tried a few of them. Tried wood as well to see if maybe there are not for metal despite saying for metal as well but also are terrible at drilling into wood. I’m betting they are selling these knowing this assuming no one will return it because it would be more in gas to drive it to the post office than the value of the bits. Amazon needs to remove garbage like these from the site
User
Ungeeignet
Die Länge der Schneiden beträgt nichtmal 1/3 des Bohrers.Zudem wirken die Bohrer stumpf.Hat meiner Meinung nach nichts mit der Abbildung gemeinsam.Gehen zurück.Keine Kaufempfehlung.
User
金額は安いけど普通に使えます。
以前、似たような金額でインパクトドライバー用のドリルビットを購入しました。しかし、これが見事な粗悪品で、インパクトドライバーに装着して、トリガーを引き、先端を観察すると中心から綺麗に回転してなく、結果、全く孔を開けることが出来ませんでした。通常のドリルも持っていたのでチャックで使えるこの商品を購入。回転もしっかりとセンターが出ていて、また、孔開けも普通に孔が開きました。購入して、ゴミ！と言う事はありませんでした。
User
Bohrer nicht für Stahl geeignet
Absolut ungeeignet um normalen Baustahl zu bohren !!!
User
Bohrer halt
Versand war schnell. Bohrer wie erwartet bei Bosch Professional
User
bon produit
tres bon produit pour le prix
Trustpilot
3 weeks ago
2 days ago