The tool is used for the processing of frames and shells such as computer hard disk ,mobile phones,and the processing of some non-ferrous material such as aluminum,magnesium,chin,silicon,etc. as well as the processing of some non-metallic materials ,such as fibermaterials ,insulating materials,plastics,composite materials,etc.
| specification | d Flute dia | H Flute length | L1 Cutting length | D Shank dia | L Overall | Z Teeth |
| DL-XL-301 | 2.0 | 3 | 5-8 | 6 | 50 | 1 or 2 |
| DL-XL-302 | 2.5 | 4 | 5-8 | 6 | 50 | 1 or 2 |
| DL-XL-303 | 3.0 | 5 | 5-8 | 6 | 50 | 1 or 2 |
| DL-XL-304 | 3.5 | 5 | 5-8 | 6 | 50 | 1 or 2 |
| DL-XL-305 | 4.0 | 6 | 8-10 | 6 | 50 | 1 or 2 |
| DL-XL-306 | 5.0 | 6 | 8-10 | 6 | 50 | 1 or 2 |
| DL-XL-307 | 6.0 | 8 | 10-15 | 6 | 50 | 1 or 2 |
| DL-XL-308 | 7.0 | 8 | 10-15 | 6 | 50 | 1 or 2 |
| DL-XL-309 | 8.0 | 10 | 15-20 | 8 | 60 | 1 or 2 |
| DL-XL-310 | 8.5 | 10 | 15-20 | 8 | 60 | 1 or 2 |
| DL-XL-311 | 9.0 | 10 | 15-20 | 8 | 60 | 1 or 2 |
| DL-XL-312 | 10.0 | 12 | 15-20 | 10 | 70 | 1 or 2 |
| DL-XL-313 | 11.0 | 12 | 15-20 | 10 | 70 | 1 or 2 |
| DL-XL-314 | 12.0 | 15 | 18-25 | 12 | 70 | 1 or 2 |
| DL-XL-315 | 13.0 | 15 | 18-25 | 12 | 70 | 1 or 2 |
| DL-XL-316 | 14.0 | 15 | 18-25 | 14 | 70 | 1 or 2 |
| DL-XL-317 | 15.0 | 18 | 22-28 | 16 | 70 | 1 or 2 |
| DL-XL-318 | 16.0 | 18 | 22-28 | 16 | 70 | 1 or 2 |
