

🔧 Drill smarter, not harder — the CoroDrill Delta-C means business.
The Sandvik Coromant R840-0420-50-A1A1220 CoroDrill Delta-C is a solid carbide drill optimized for high productivity and precision. Featuring a 6 mm cylindrical shank, 74 mm overall length, and axial coolant entry at 20 bar pressure, it excels in drilling hard steels up to 60 HRC. Its titanium aluminium nitride finish enhances durability, making it an essential tool for professional machining applications.
| Manufacturer | Sandvik Coromant |
| Part number | R840-0420-50-A1A 1220 |
| Item Weight | 22.7 g |
| Package Dimensions | 10.92 x 2.29 x 1.27 cm; 22.68 g |
| Item model number | 69826225344 |
| Style | R840..50-A1A |
| Finish | Titanium Aluminium Nitride |
| Material | Carbide |
| Item Package Quantity | 1 |
| Tool tip description | 140 deg |
| Special Features | Cylindrical shank (DIN1835-A / DIN6535-HA) -metric: 6 |
| Batteries included? | No |
| Batteries Required? | No |
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