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52139
10PC. STRAIGHT SHANK TWIST DRILL 3.9mm
Introduction
| ● | Innovative M15 high-speed steel with cobalt, high vanadium and other elements, greatly improving the service life of the product | ||||
| ● | Surface underwent fine grinding after oxynitriding, effectively improving hardness and wear resistance | ||||
| ● | Innovative 123° apex angle design, effective increasing the cutting speed | ||||
| ● | New plastic box with high moisture resistance, durability, solidness and beauty, and good convenience for tool storage |
Product Details
| Product No | 52139 |
| Net Weight (kg) | 0.077 |
| pcs / pack | 10 |
| Warranty Terms | This product is consumable, not within SATA lifetime warranty. |
| MADE IN | China |
| Specification | 3.9 |
| L1（mm） | 43 |
| L2（mm） | 75 |
