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⚡ Drill smarter, not harder — own the edge of precision and speed!
The STROTON Metric M42 8% Cobalt Twist Drill Bits Set features 19 precision-engineered bits ranging from 1mm to 10mm, crafted from high-grade cobalt steel with 68-70 HRC hardness. Designed for stainless steel, hard metals, and more, its 135° split point and three-stage design enable 3-5x faster drilling with superior heat and wear resistance, making it the ultimate choice for professionals demanding speed, durability, and precision.








| ASIN | B07MZQMPMC |
| ASIN | B07MZQMPMC |
| Best Sellers Rank | #3,265 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #13 in Power Drill Bit Sets |
| Brand Name | STROTON |
| Customer Reviews | 4.4 4.4 out of 5 stars (4,654) |
| Customer reviews | 4.4 4.4 out of 5 stars (4,654) |
| Cutting Angle String | 135 Degrees |
| Cutting Diameter | 10 Millimeters |
| Date First Available | 2 March 2019 |
| Finish Types | Uncoated |
| Is Discontinued By Manufacturer | No |
| Item Weight | 1 Pounds |
| Manufacturer | STROTON |
| Manufacturer | STROTON |
| Material Type | Cobalt |
| Minimum Bore Diameter | 1 Millimeters |
| Number of Flutes | 2 |
| Number of Pieces | 19 |
| Package Dimensions | 17.6 x 12.5 x 4.4 cm; 453.59 g |
| Part Number | M42 Cobalt-8(19pcs) |
| Point Style | Split Point |
| Set Name | M42 8% Cobalt Metal Drill Bit Set for Stainless Steel and Hard Metal (19 Piece) |
| Shank Type | Straight |
| Surface Recommendation | Stainless Steel, Hard Metal, Hardwood, Aluminum, Plastic |
| Tool Flute Type | Spiral |
| UPC | 743829466298 |
| Unit Count | 1 Count |
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