![[NACHI] — COSD0.5 Cobalt Drill](https://img.prosourcemro.com/2026/05/1200911-1.jpg)
Drills & Drill Sets
NACHI
[NACHI] — COSD0.5 Cobalt Drill
Family ID: 319-0960
NACHI COSD0.5 Cobalt Drill is a high-speed cobalt drill bit designed for precision drilling in hard and tough materials, sourced direct from Korea. Cobalt drills are widely used in metalworking applications where standard HSS bits fall short — particularly when drilling through stainless steel, hardened alloys, or heat-resistant metals in manufacturing and fabrication environments. Request a quote today for export-ready supply of NACHI cutting tools through a KITA-registered Korean exporter offering competitive pricing on industrial orders.
42 product codes available in this family
Product Codes & Specifications
| Product Code | Description | Brand | Spec | ||
|---|---|---|---|---|---|
| 319-0960 | COSD0.5 | NACHI | 0.5MM | Spec: 0.5 | Cutting Length: 5 | Overall Length: 27 | ||
| 319-0979 | COSD0.6 | NACHI | 0.6MM | Spec: 0.6 | Cutting Length: 5.5 | Overall Length: 30 | ||
| 319-0988 | COSD0.7 | NACHI | 0.7MM | Spec: 0.7 | Cutting Length: 7.5 | Overall Length: 32 | ||
| 319-0997 | COSD0.8 | NACHI | 0.8MM | Spec: 0.8 | Cutting Length: 8 | Overall Length: 34 | ||
| 319-1002 | COSD0.9 | NACHI | 0.9MM | Spec: 0.9 | Cutting Length: 9 | Overall Length: 36 | ||
| 319-1011 | COSD1 | NACHI | 1.0MM | Spec: 1.0 | Cutting Length: 10 | Overall Length: 40 | ||
| 319-1020 | COSD1.1 | NACHI | 1.1MM | Spec: 1.1 | Cutting Length: 11 | Overall Length: 42 | ||
| 319-1039 | COSD1.2 | NACHI | 1.2MM | Spec: 1.2 | Cutting Length: 13 | Overall Length: 42 | ||
| 319-1048 | COSD1.3 | NACHI | 1.3MM | Spec: 1.3 | Cutting Length: 13 | Overall Length: 45 | ||
| 319-1057 | COSD1.4 | NACHI | 1.4MM | Spec: 1.4 | Cutting Length: 14.5 | Overall Length: 48 | ||
| 319-1066 | COSD1.5 | NACHI | 1.5MM | Spec: 1.5 | Cutting Length: 14.5 | Overall Length: 48 | ||
| 319-1075 | COSD1.6 | NACHI | 1.6MM | Spec: 1.6 | Cutting Length: 16 | Overall Length: 50 | ||
| 319-1084 | COSD1.7 | NACHI | 1.7MM | Spec: 1.7 | Cutting Length: 16 | Overall Length: 50 | ||
| 319-1093 | COSD1.8 | NACHI | 1.8MM | Spec: 1.8 | Cutting Length: 17.5 | Overall Length: 52 | ||
| 319-1109 | COSD1.9 | NACHI | 1.9MM | Spec: 1.9 | Cutting Length: 17.5 | Overall Length: 52 | ||
| 319-1118 | COSD2 | NACHI | 2.0MM | Spec: 2.0 | Cutting Length: 20 | Overall Length: 55 | ||
| 319-1127 | COSD2.1 | NACHI | 2.1MM | Spec: 2.1 | Cutting Length: 20 | Overall Length: 55 | ||
| 319-1136 | COSD2.2 | NACHI | 2.2MM | Spec: 2.2 | Cutting Length: 23 | Overall Length: 58 | ||
| 319-1145 | COSD2.3 | NACHI | 2.3MM | Spec: 2.3 | Cutting Length: 23 | Overall Length: 58 | ||
| 319-1154 | COSD2.4 | NACHI | 2.4MM | Spec: 2.4 | Cutting Length: 24.5 | Overall Length: 61 | ||
| 319-1163 | COSD2.5 | NACHI | 2.5MM | Spec: 2.5 | Cutting Length: 24.5 | Overall Length: 61 | ||
| 319-1172 | COSD2.6 | NACHI | 2.6MM | Spec: 2.6 | Cutting Length: 26 | Overall Length: 64 | ||
| 319-1181 | COSD2.7 | NACHI | 2.7MM | Spec: 2.7 | Cutting Length: 26 | Overall Length: 64 | ||
| 319-1190 | COSD2.8 | NACHI | 2.8MM | Spec: 2.8 | Cutting Length: 27 | Overall Length: 67 | ||
| 319-1206 | COSD2.9 | NACHI | 2.9MM | Spec: 2.9 | Cutting Length: 29.5 | Overall Length: 71 | ||
| 319-1215 | COSD3 | NACHI | 3.0MM | Spec: 3.0 | Cutting Length: 29.5 | Overall Length: 71 | ||
| 319-1224 | COSD3.1 | NACHI | 3.1MM | Spec: 3.1 | Cutting Length: 29.5 | Overall Length: 71 | ||
| 319-1233 | COSD3.2 | NACHI | 3.2MM | Spec: 3.2 | Cutting Length: 29.5 | Overall Length: 71 | ||
| 319-1242 | COSD3.3 | NACHI | 3.3MM | Spec: 3.3 | Cutting Length: 31.5 | Overall Length: 73 | ||
| 319-1251 | COSD3.4 | NACHI | 3.4MM | Spec: 3.4 | Cutting Length: 31.5 | Overall Length: 73 | ||
| 319-1260 | COSD3.5 | NACHI | 3.5MM | Spec: 3.5 | Cutting Length: 31.5 | Overall Length: 73 | ||
| 319-1279 | COSD3.6 | NACHI | 3.6MM | Spec: 3.6 | Cutting Length: 33.5 | Overall Length: 76 | ||
| 319-1288 | COSD3.7 | NACHI | 3.7MM | Spec: 3.7 | Cutting Length: 33.5 | Overall Length: 76 | ||
| 319-1297 | COSD3.8 | NACHI | 3.8MM | Spec: 3.8 | Cutting Length: 33.5 | Overall Length: 76 | ||
| 319-1303 | COSD3.9 | NACHI | 3.9MM | Spec: 3.9 | Cutting Length: 36 | Overall Length: 79 | ||
| 319-1312 | COSD4 | NACHI | 4.0MM | Spec: 4.0 | Cutting Length: 38 | Overall Length: 83 | ||
| 319-1321 | COSD4.1 | NACHI | 4.1MM | Spec: 4.1 | Cutting Length: 38 | Overall Length: 83 | ||
| 319-1330 | COSD4.2 | NACHI | 4.2MM | Spec: 4.2 | Cutting Length: 38 | Overall Length: 83 | ||
| 319-1349 | COSD4.3 | NACHI | 4.3MM | Spec: 4.3 | Cutting Length: 38 | Overall Length: 83 | ||
| 319-1358 | COSD4.4 | NACHI | 4.4MM | Spec: 4.4 | Cutting Length: 39 | Overall Length: 86 | ||
| 319-1367 | COSD4.5 | NACHI | 4.5MM | Spec: 4.5 | Cutting Length: 39 | Overall Length: 86 | ||
| 319-1376 | COSD4.6 | NACHI | 4.6MM | Spec: 4.6 | Cutting Length: 39 | Overall Length: 86 |
