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⚡ Drill Smarter, Not Harder — Own the Toughest Jobs with Ease!
The M42 8% Cobalt Twist Drill Bits (12mm, 2-pack) deliver professional-grade performance with premium cobalt steel hardened to 68-70 HRC. Featuring a 3-step split point tip, these bits start drilling immediately with less force and run 3-5 times faster through stainless steel, hard metals, and more. Designed for longevity and precision, they offer the lowest cost per hole by maximizing tool life and minimizing wear, making them the go-to choice for demanding projects.









| ASIN | B081Z8GW47 |
| ASIN | B081Z8GW47 |
| Best Sellers Rank | #3,880 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #13 in Jobber Drill Bits |
| Brand Name | STROTON |
| Customer Reviews | 4.4 4.4 out of 5 stars (4,529) |
| Customer reviews | 4.4 4.4 out of 5 stars (4,529) |
| Cutting Angle String | 135 Degrees |
| Cutting Diameter | 12 Millimeters |
| Date First Available | 13 January 2021 |
| Finish Types | Hardened |
| Is Discontinued By Manufacturer | No |
| Item Weight | 1 Pounds |
| Item model number | M42 Cobalt-8 |
| Manufacturer | WnewTools Ltd |
| Manufacturer | WnewTools Ltd |
| Material Type | Cobalt |
| Model | M42 Cobalt-8 |
| Number of Flutes | 2 |
| Number of Pieces | 2 |
| Package Dimensions | 18.29 x 10.16 x 2.03 cm; 453.59 g |
| Part Number | M42 Cobalt-8 |
| Set Name | 2-Piece Set |
| Shank Type | Straight |
| Surface Recommendation | Wood |
| Tool Flute Type | Spiral |
| UPC | 630808641305 |
| Unit Count | 2 Count |
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