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⚡ Drill Smarter, Not Harder — Own the Metal Game!
The Metric M42 8% Cobalt Twist Drill Bits Set features 19 precision-engineered bits ranging from 1mm to 10mm, crafted from premium M42 cobalt steel with a 68-70 HRC rating. Designed for professional-grade durability and speed, these bits excel at drilling stainless steel, hard metals, plastics, and wood. The 3-step split point tip reduces walking and increases cutting efficiency, enabling 3-5 times faster drilling. Ideal for managers and pros who demand reliability and precision, this set offers long tool life and cost-effective performance backed by expert usage tips.
| Asin | B07MZQMPMC |
| Best Sellers Rank | #182,450 in Home Improvement (See Top 100 in Home Improvement) #1,422 in Drill Bit Sets |
| Brand Name | STROTON |
| Country Of Origin | USA |
| Customer Reviews | 4.4 4.4 out of 5 stars (4,645) 4.4 out of 5 stars |
| Cutting Angle String | 135 Degrees |
| Cutting Diameter | 9.5 Millimetres |
| Finish Types | Hardened |
| Included Components | drill bits |
| Item Weight | 454 g |
| Manufacturer | STROTON Ltd |
| Material Type | Cobalt |
| Minimum Bore Diameter | 1 Millimetres |
| Number Of Flutes | 1 |
| Number Of Packs | 1 |
| Number Of Pieces | 19 |
| Part Number | M42 Cobalt-8(19pcs) |
| Point Style | Split Point |
| Set Name | 1-10mm (19PCS) |
| Shank Type | Straight |
| Surface Recommendation | Metal, Plastic, Wood |
| Tool Flute Type | twist |
| Unit Count | 1.0 Count |
| Upc | 743829466298 |
User
Best in high temperature work
Best performance drill bits
User
Excelente producto
Puedes hacer agujeros con facilidad en metales duros como inox 316
User
They do drill stainless steel!
At first I was a bit discouraged as per instructions I was using low speed drilling. It was not going through stainless steel at all. Then I switched to high speed and this was when the drill started to made it through with ease! Just to mention here that bits (Titanium coated) from Canadian Tire were absolutely useless!!!!No sign of overheating, bits stayed sharp through at least 10 holes for my first project using these new drill bits.I hope it will continue for years to come.Added on November 28, 2025. This set is amazing! Drills through SS almost as through wood. I use drill press with medium speed. No overheating or strange noises. Just goes through at steady speed.Highly recommended!
User
Si duran
Las compré para inoxidables y se soporta las cargas como todo con el uso prolongado van perdiendo filo pero dura bastante para su precio
User
Brocas metálica
GosteiAs brocas são muito boas
User
Good quality
Very good quality
Trustpilot
2 months ago
5 days ago