Recommended RPM
Drill | Cast |
|
|
|
Diameter | Iron | Steel | Aluminum | Wood |
1⁄8" | 1900 | 2620 | 2620 | 2620 |
3⁄16" | 1550 | 1620 | 2620 | 2620 |
1⁄4" | 990 | 1350 | 1550 | 2620 |
5⁄16" | 650 | 990 | 1550 | 1550 |
3⁄8" | 600 | 990 | 990 | 1550 |
7⁄16" | 510 | 650 | 990 | 990 |
1⁄2" | 510 | 650 | 650 | 990 |
9⁄16" | 390 | 600 | 650 | 990 |
5⁄8" | 390 | 510 | 510 | 650 |
3⁄4" | 340 | 390 | 510 | 350 |
7⁄8" | 250 | 340 | 390 | 510 |
1" | — | 340 | 390 | 510 |
11⁄8" | — | 250 | 340 | 390 |
11⁄4" | — | — | 340 | 390 |
G1199/G1200 Drill Press |
