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1)HSS countersink drill bit. 200
2) HSS countersink drill bit.
| 3-Flute Countersink | |||
| Size Shank O.L. | |||
| 1/4" | 3/16" | 1-1/2" | |
| 3/8" | 1/4" | 1-3/4" | |
| 1/2" | 3/8" | 2" | |
| 5/8" | 3/8" | 2-1/4" | |
| 3/4" | 1/2" | 2-5/8" | |
| 1" | 1/2" | 2-3/4" | |
| 1-1/4" | 1/2" | 3-1/4" | |
| 1-1/2" | 1/2" | 3-1/4" | |
| 2" | 1/2" | 3-1/2" | |