![[Taehwa] — 315-6391 Cobalt Drill](https://img.prosourcemro.com/2026/05/1272484-1-1.jpg)
Drills & Drill Sets
Taehwa
[Taehwa] — 315-6391 Cobalt Drill
Family ID: 315-6391
Taehwa 315-6391 Cobalt Drill is a high-performance twist drill designed for cutting through hard and tough materials, sourced direct from Korea. Cobalt drills are widely used in metalworking, fabrication, and maintenance operations where standard HSS drills struggle with hardened steels, stainless steel, and heat-resistant alloys. Request a quote today for export-ready supply, competitive pricing, and reliable fulfillment through a KITA-registered Korean exporter.
40 product codes available in this family
Product Codes & Specifications
| Product Code | Description | Brand | Spec | ||
|---|---|---|---|---|---|
| 315-6391 | — | Taehwa | 5.0MM | Spec: 5.0 | Cutting Length: 62 | Overall Length: 92 | ||
| 315-6407 | — | Taehwa | 5.1MM | Spec: 5.1 | Cutting Length: 62 | Overall Length: 92 | ||
| 315-6416 | — | Taehwa | 5.2MM | Spec: 5.2 | Cutting Length: 64 | Overall Length: 95 | ||
| 315-6425 | — | Taehwa | 5.3MM | Spec: 5.3 | Cutting Length: 64 | Overall Length: 95 | ||
| 315-6434 | — | Taehwa | 5.4MM | Spec: 5.4 | Cutting Length: 64 | Overall Length: 95 | ||
| 315-6443 | — | Taehwa | 5.5MM | Spec: 5.5 | Cutting Length: 64 | Overall Length: 95 | ||
| 315-6452 | — | Taehwa | 5.6MM | Spec: 5.6 | Cutting Length: 67 | Overall Length: 98 | ||
| 315-6461 | — | Taehwa | 5.7MM | Spec: 5.7 | Cutting Length: 67 | Overall Length: 98 | ||
| 315-6470 | — | Taehwa | 5.8MM | Spec: 5.8 | Cutting Length: 67 | Overall Length: 98 | ||
| 315-6489 | — | Taehwa | 5.9MM | Spec: 5.9 | Cutting Length: 67 | Overall Length: 98 | ||
| 315-6498 | — | Taehwa | 6.0MM | Spec: 6.0 | Cutting Length: 70 | Overall Length: 102 | ||
| 315-6504 | — | Taehwa | 6.1MM | Spec: 6.1 | Cutting Length: 70 | Overall Length: 102 | ||
| 315-6513 | — | Taehwa | 6.2MM | Spec: 6.2 | Cutting Length: 70 | Overall Length: 102 | ||
| 315-6522 | — | Taehwa | 6.3MM | Spec: 6.3 | Cutting Length: 70 | Overall Length: 102 | ||
| 315-6531 | — | Taehwa | 6.4MM | Spec: 6.4 | Cutting Length: 73 | Overall Length: 105 | ||
| 315-6540 | — | Taehwa | 6.5MM | Spec: 9.5 | Cutting Length: 92 | Overall Length: 127 | ||
| 315-6559 | — | Taehwa | 6.6MM | Spec: 6.6 | Cutting Length: 7.3 | Overall Length: 105 | ||
| 315-6568 | — | Taehwa | 6.7MM | Spec: 6.7 | Cutting Length: 73 | Overall Length: 105 | ||
| 315-6577 | — | Taehwa | 6.8MM | Spec: 6.8 | Cutting Length: 73 | Overall Length: 105 | ||
| 315-6586 | — | Taehwa | 6.9MM | Spec: 6.9 | Cutting Length: 73 | Overall Length: 105 | ||
| 315-6595 | — | Taehwa | 7.0MM | Spec: 7.0 | Cutting Length: 73 | Overall Length: 105 | ||
| 315-6601 | — | Taehwa | 7.1MM | Spec: 7.1 | Cutting Length: 75 | Overall Length: 108 | ||
| 315-6610 | — | Taehwa | 7.2MM | Spec: 7.2 | Cutting Length: 75 | Overall Length: 108 | ||
| 315-6629 | — | Taehwa | 7.3MM | Spec: 7.3 | Cutting Length: 75 | Overall Length: 108 | ||
| 315-6638 | — | Taehwa | 7.4MM | Spec: 7.4 | Cutting Length: 78 | Overall Length: 111 | ||
| 315-6647 | — | Taehwa | 7.5MM | Spec: 7.5 | Cutting Length: 78 | Overall Length: 111 | ||
| 315-6656 | — | Taehwa | 7.6MM | Spec: 7.6 | Cutting Length: 78 | Overall Length: 111 | ||
| 315-6665 | — | Taehwa | 7.7MM | Spec: 7.7 | Cutting Length: 81 | Overall Length: 114 | ||
| 315-6674 | — | Taehwa | 7.8MM | Spec: 7.8 | Cutting Length: 81 | Overall Length: 114 | ||
| 315-6683 | — | Taehwa | 7.9MM | Spec: 7.9 | Cutting Length: 81 | Overall Length: 114 | ||
| 315-6692 | — | Taehwa | 8.0MM | Spec: 8.0 | Cutting Length: 81 | Overall Length: 114 | ||
| 315-6708 | — | Taehwa | 8.1MM | Spec: 8.1 | Cutting Length: 84 | Overall Length: 117 | ||
| 315-6717 | — | Taehwa | 8.2MM | Spec: 8.2 | Cutting Length: 84 | Overall Length: 117 | ||
| 315-6726 | — | Taehwa | 8.3MM | Spec: 8.3 | Cutting Length: 84 | Overall Length: 117 | ||
| 315-6735 | — | Taehwa | 8.4MM | Spec: 8.4 | Cutting Length: 87 | Overall Length: 121 | ||
| 315-6744 | — | Taehwa | 8.5MM | Spec: 8.5 | Cutting Length: 87 | Overall Length: 121 | ||
| 315-6753 | — | Taehwa | 8.6MM | Spec: 8.6 | Cutting Length: 87 | Overall Length: 121 | ||
| 315-6762 | — | Taehwa | 8.7MM | Spec: 8.7 | Cutting Length: 87 | Overall Length: 121 | ||
| 315-6771 | — | Taehwa | 8.8MM | Spec: 8.8 | Cutting Length: 89 | Overall Length: 124 | ||
| 315-6780 | — | Taehwa | 8.9MM | Spec: 8.9 | Cutting Length: 89 | Overall Length: 124 |
