| Customization: | Available |
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| Type: | Center Drill Bit |
| Material: | High Speed Steel |
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| Metric Size: ( DIN333 Type A, Plain Type ) | ||||
| Drill Dia. | Body Dia. | Flute Length | Overall Length | |
| 1.0mm | 3.15 | 1.9 | 31.5 | |
| 1.25mm | 3.15 | 2.2 | 31.5 | |
| 1.6mm | 4 | 2.8 | 35.5 | |
| 2.0mm | 5 | 3.3 | 40 | |
| 2.5mm | 6.3 | 4.1 | 45 | |
| 3.15mm | 8 | 4.9 | 50 | |
| 4.0mm | 10 | 6.2 | 56 | |
| 5.0mm | 12.5 | 7.5 | 63 | |
| 6.3mm | 16 | 9.2 | 71 | |
| 8.0mm | 20 | 11.5 | 80 | |
| 10.0mm | 25 | 14.2 | 100 | |
| Inch Size: ( Plain Type ) | ||||
| Size # | Drill Dia. | Body Dia. | Flute Length | Overall Length |
| 1# | 3/64" | 1/8" | 3/64" | 1-1/4" |
| 2# | 5/64" | 3/16" | 5/64" | 1-7/8" |
| 3# | 7/64" | 1/4" | 7/64" | 2" |
| 4# | 1/8" | 5/16" | 1/8" | 2-1/8" |
| 4-1/2# | 9/64" | 3/8" | 9/64" | 2-1/2" |
| 5# | 3/16" | 7/16" | 3/16" | 2-3/4" |
| 6# | 7/32" | 1/2" | 7/32" | 3" |
| 7# | 1/4" | 5/8" | 1/4" | 3-1/4" |
| 8# | 5/16" | 3/4" | 5/16" | 3-1/2" |
| 9# | 11/32" | 7/8" | 11/32" | 3-5/8" |
| 10# | 3/8" | 1" | 3/8" | 3-3/4" |
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