HSS 4 flutes single / double end mills (center cutting)
| order No. | Dia. | Dia.shk | L2 Flute | L1 Oal |
| 21000010 | 1/8 | 3/8 | 3/8 | 2-5/16 |
| 21000020 | 3/16 | 3/8 | 1/2 | 2-3/8 |
| 21000030 | 1/4 | 3/8 | 5/8 | 2-7/16 |
| 21000040 | 5/16 | 3/8 | 3/4 | 2-1/2 |
| 21000050 | 3/8 | 3/8 | 3/4 | 2-1/2 |
| 21000060 | 1/2 | 1/2 | 1-1/4 | 3-1/4 |
| 21000070 | 5/8 | 5/8 | 1-5/8 | 3-3/4 |
| 21000080 | 3/4 | 3/4 | 1-5/8 | 3-7/8 |
| 21000090 | 7/8 | 7/8 | 1-7/8 | 4-1/8 |
| 21000100 | 1 | 1 | 2 | 4-1/2 |
| 21000110 | 1 | 1 | 3 | 5-1/2 |
| 21000120 | 1-1/8 | 1 | 2 | 4-1/2 |
| 21000130 | 1-1/4 | 1-1/4 | 3 | 5-1/2 |
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| 21010010 | 1/8 | 3/8 | 3/8 | 2-5/16 |
| 21010020 | 3/16 | 3/8 | 1/2 | 2-3/8 |
| 21010030 | 1/4 | 3/8 | 5/8 | 2-7/16 |
| 21010040 | 5/16 | 3/8 | 3/4 | 2-1/2 |
| 21010050 | 3/8 | 3/8 | 3/4 | 2-1/2 |
| 21010060 | 1/2 | 1/2 | 1-1/4 | 3-1/4 |
| 21010070 | 5/8 | 5/8 | 1-5/8 | 3-3/4 |
| 21010080 | 3/4 | 3/4 | 1-5/8 | 3-7/8 |
| 21010090 | 7/8 | 7/8 | 1-7/8 | 4-1/8 |
| 21010100 | 1 | 1 | 2 | 4-1/2 |
