Guide to operating speeds for blades

The chart below shows the recommended operating range for various sizes of blades. Blade speed should be matched to the blade used and the type of material being cut. In general, harder materials and blades with a thicker rim require slower speeds, while softer materials and blades with thin rims require faster speeds.

Blade Diameter
(inches)

Revolutions
Per Minute

Blade Diameter
(inches)

Revolutions
Per Minute

4

2400-3700

14

750-1600

5

1900-4500

16

700-1400

6

1600-3800

18

600-1200

7

1400-3200

20

550-1100

8

1200-2800

24

450-950

9

1100-2500

30

350-750

10

950-2200

36

300-700

12

800-1900