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Narrow Wheel Dressing – How Thin Can I Go?

To determine what wheel to use, under normal conditions, multiply the grain size by 3.

Example: Grain Size of A 100 Grit Wheel is .0068” x 3 = .0204”

Average Particle Size of Abrasive Grain

Grit Size

Inches

Microns

4

.2577

6848

6

.2117

5630

8

.1817

4620

10

.1366

3460

12

.1003

2550

14

.0830

2100

16

.0655

1660

20

.0528

1340

24

.0408

1035

30

.0365

930

36

.0280

710

46

.0200

508

54

.0170

430

60

.0160

406

70

.0131

328

80

.0105

266

90

.0085

216

100

.0068

173

120

.0056

142

150

.0048

122

180

.0034

86

220

.0026

66

240

.00248

63

280

.00175

44

320

.00128

32

340

.00090

23

500

.00065

16

600

.00033

8

900

.00024

6

L.A.

.00012

3

Other conditions such as wheel density will affect how thin a wheel can be made.
For example if you use a more open wheel structure a finer grit size will be required to achieve the same thickness.

Narrow Wheel Dresser