Diameter
Recommend RPM
Maximum RPM
Diameter
Recommend RPM
Maximum RPM
4" (105mm)
9,072
15,000
16" (400mm)
2,268
3,820
4.5" (115mm)
8,063
13,300
18" (450mm)
2,016
3,395
5" (125mm)
7,257
12,000
20" (500mm)
1,814
3,055
6" (150mm)
6,048
10,185
22" (550mm)
1,649
2,780
7" (180mm)
5,184
8,730
24" (600mm)
1,512
2,550
8" (200mm)
4,536
7,640
26" (650mm)
1,396
2,350
9" (230mm)
4,032
6,790
28" (700mm)
1,296
2,185
10" (250mm)
3,629
6,115
30" (750mm)
1,120
2,040
12" (300mm)
3,024
5,095
32" (800mm)
1,134
1,910
12" (300mm) - High Speed(Dry)
6,300
36" (900mm)
1,008
1,700
14" (350mm)
2,592
4,365
42" (1050mm)
864
1,,455
14" (350mm) - High Speed(Dry)
5,460
48" (1200mm)
756
1,275
Core Bit
Grinding Cup Wheel
Diameter
Recommend RPM
Diameter (inch)
Recommend RPM
4
11,000
c
d
1" - 2" (25mm - 51mm)
1,200 - 1,000
5
11,000
2 1/4" - 5" (57mm - 127mm)
1,000 - 500
6
8,500
5 1/4" - 12" (133mm - 305mm)
500 - 250
7
8,500
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