








⚡ Drill Like a Pro, Last Like a Legend
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 68-70 HRC hardness. Designed for stainless steel and hard metals, these bits offer superior heat and wear resistance, enabling 3-5 times faster drilling with a 135° split point that produces clean, long metal chips. This set balances professional-grade durability with cost efficiency, making it the ultimate choice for demanding metalworking tasks.








| Manufacturer | STROTON |
| Part number | M42 Cobalt-8(19pcs) |
| Item Weight | 454 g |
| Package Dimensions | 17.6 x 12.5 x 4.4 cm; 453.59 g |
| Size | 1-10mm |
| Color | gray |
| Finish | Uncoated |
| Material | Cobalt |
| Pattern | 1-10mm (19PCS) |
| Item Package Quantity | 1 |
| Number Of Pieces | 19 |
| Measurement System | Metric |
| Batteries Included? | No |
| Batteries Required? | No |
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