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🔥 Drill Like a Pro, Last Like a Legend ⚙️
The M42 8% Cobalt Twist Drill Bits (12mm, 2pcs) combine premium cobalt steel with a 3-step split point design, delivering exceptional heat resistance (68-70 HRC), faster drilling speeds, and superior durability. Engineered for stainless steel and hard metals, these bits minimize walking and wear, making them the go-to choice for professionals demanding precision and longevity in every project.
| ASIN | B081Z8GW47 |
| Best Sellers Rank | #10,776 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #16 in Jobber Drill Bits |
| Brand | STROTON |
| Brand Name | STROTON |
| Customer Reviews | 4.4 out of 5 stars 4,635 Reviews |
| Cutting Angle String | 135 Degrees |
| Cutting Diameter | 12 Millimeters |
| Cutting angle string | 135 Degrees |
| Cutting diameter | 12 Millimeters |
| Finish Types | Hardened |
| Finish type | Hardened |
| Item Weight | 454 g |
| Manufacturer | WnewTools Ltd |
| Material | Cobalt |
| Material Type | Cobalt |
| Model | M42 Cobalt-8 |
| Number of Flutes | 2 |
| Number of Pieces | 2 |
| Part Number | M42 Cobalt-8 |
| Set Name | 2-Piece Set |
| Shank Type | Straight |
| Shank type | Straight |
| Surface Recommendation | Wood |
| Tool Flute Type | Spiral |
| UPC | 630808641305 |
| Unit Count | 2 Count |
J**I
Good quality
Very good quality
B**E
Very good drill bits
Great drill bits. They cut through stainless steel very nicely if you take your time and use a cutting fluid to keep them cool. Had a minor issue with one of the bits snapping (my fault) but the seller took care of the issue immediately and was very responsive.
C**S
Very high quality drills
I am a metal worker for 23 years, hard to find any better cobalt drills. Highly recommended.
C**N
Excelente producto
Puedes hacer agujeros con facilidad en metales duros como inox 316
C**S
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!
K**I
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
J**A
Brocas metálica
Gostei As brocas são muito boas
L**E
qualité souhaitée
produit de qualité
Trustpilot
3 weeks ago
3 weeks ago