OD

T

H

Grit

Grain

Hardness

Structure

Speed

100mm

12mm

13mm

20mm

25mm

32mm

38.1mm

40mm

50mm

80mm  

12.7mm

15.88mm

19.05mm

20mm

25.4mm

31.75mm

32mm

38.1mm

50.8mm

A

WA

AA

38A

25A

PA

SA

GC

C

F36

F46

F54

F60

F80

F100

F120

K

L

M

N

P

Q

5

6

7

8

9

10

33m/s

35m/s

40m/s

45m/s

50m/s

60m/s

125mm

150mm

175mm

180mm

200mm

300mm

350mm

400mm

450mm