








⚡ Drill Like a Pro, Last Like a Legend
The Metric M42 8% Cobalt Twist Drill Bit Set features 19 precision-engineered bits ranging from 1mm to 10mm, crafted from premium M42 cobalt steel with a 68-70 HRC hardness rating. Designed for professionals tackling stainless steel, hard metals, and versatile materials, these bits deliver 3-5x faster drilling speeds with superior heat and abrasion resistance. The innovative 3-step tip design ensures accuracy and reduces walking, making this set an essential upgrade for any serious toolkit.








| Manufacturer | STROTON |
| Part number | M42 Cobalt-8(19pcs) |
| Item Weight | 454 g |
| Package Dimensions | 17.8 x 12.6 x 4.5 cm; 453.59 g |
| Is Discontinued By Manufacturer | No |
| Size | 1-10mm |
| Finish | Hardened |
| Material | Cobalt |
| Pattern | 1-10mm (19pcs) |
| Number Of Pieces | 19 |
| Measurement System | Metric |
| Included Components | Drill Bit |
| Batteries Included | No |
| Batteries Required? | No |
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