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🔩 Drill smarter, last longer — the pro’s secret weapon!
This 6.7mm M42 cobalt high-speed steel drill bit features an 8% cobalt alloy and a titanium nitride coating for superior hardness, heat resistance, and corrosion protection. Its 135° split-point design reduces walking for precise drilling in hard metals, hardwoods, and composites. With 3-5 times longer lifespan than standard bits, it’s engineered for high-efficiency machining and detailed woodworking, making it an essential tool for professionals and serious DIYers alike.






| ASIN | B0FYC7MHWF |
| Best Sellers Rank | 439,191 in DIY & Tools ( See Top 100 in DIY & Tools ) 441 in Jobber Drill Bits |
| Brand | Kozelo |
| Country Of Origin | China |
| Finish Types | Titanium Nitride |
| Finish type | Titanium Nitride |
| Included Components | not_applicable |
| Manufacturer | Kozelo |
| Material | Cobalt Steel |
| Shank Type | Straight |
| Shank type | Straight |
| Tool Flute Type | Spiral |
| Tool flute type | Spiral |
| Unit Count | 1.0 count |
| Unit count | 1.0 count |
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