Technical
Information
Diamond
and CBN grit sizes
|
International
Standardization of Grit Sizes for Dianmond and Cubic Boron Nitride
|
Sieve
Grit Designations
|
-
|
Micron
Grit Sizes
|
Diamond
FEPA-Standard
|
CBN
FEPA-Standard
|
Diamond
& CBN
US Standard
ASTM-E-11-70
|
Nominal
mesh
size to
ISO 6106 DIN 848
Part 1, 1980
|
Diamond
|
CBN
|
For
comparison grit sizes
|
narrow
|
wide
|
narrow
|
wide
|
narrow
|
wide
|
-
|
-
|
-
|
-
|
D1181
|
D1182
|
B1181
|
B1182
|
16/18
|
16/20
|
1180/1000
|
D25
|
-
|
32-52
|
D1001
|
-
|
B1001
|
-
|
18/20
|
-
|
1000/850
|
D20
|
B30
|
30-40
|
D851
|
D852
|
B851
|
B852
|
20/25
|
20/30
|
850/710
|
-
|
|
25-30
|
D711
|
-
|
B711
|
-
|
25/30
|
-
|
710/600
|
D15
|
B15
|
10-25
|
D601
|
D602
|
B601
|
B602
|
30/35
|
30/40
|
600/500
|
D7
|
B6
|
5-10
|
D501
|
-
|
B501
|
-
|
35/40
|
-
|
500/425
|
D3
|
B3
|
2-5
|
D426
|
D427
|
B426
|
B427
|
40/45
|
40/50
|
425/355
|
D15
|
B15
|
1-2
|
D356
|
-
|
B356
|
-
|
45/50
|
-
|
355/300
|
D0,7
|
-
|
0,5-1
|
D301
|
-
|
-
|
-
|
50/60
|
-
|
300/250
|
D0,25
|
-
|
<0,5-1
|
D251
|
D252
|
B251
|
B252
|
60/70
|
-
|
250/212
|
-
|
-
|
-
|
D213
|
-
|
B213
|
-
|
70/80
|
-
|
212/180
|
-
|
-
|
-
|
D181
|
-
|
B181
|
-
|
80/100
|
-
|
180/150
|
-
|
-
|
-
|
D151
|
-
|
B151
|
-
|
100/120
|
-
|
150/125
|
-
|
-
|
-
|
D126
|
-
|
B126
|
-
|
120/140
|
-
|
125/106
|
-
|
-
|
-
|
D107
|
-
|
B107
|
-
|
140/170
|
-
|
106/90
|
-
|
-
|
-
|
D91
|
-
|
B91
|
-
|
170/200
|
-
|
90/75
|
-
|
-
|
-
|
D76
|
-
|
B76
|
-
|
200/230
|
-
|
75/63
|
-
|
-
|
-
|
D64
|
-
|
B64
|
-
|
230/270
|
-
|
63/53
|
-
|
-
|
-
|
D54
|
-
|
B54
|
-
|
270/325
|
-
|
53/45
|
-
|
-
|
-
|
D46
|
-
|
B46
|
-
|
325/400
|
-
|
45/38
|
-
|
-
|
-
|
BOND |
DIAMOND
WHEELS
|
CBN
WHEELS
|
WET |
DRY |
WET |
DRY |
RESIN |
20-35M/SEC.
APPROX. |
10-24M/SEC.
APPROX. |
20-60M/SEC.
APPROX. |
25-40M/SEC.
APPROX. |
METAL |
20-25M/SEC.
APPROX. |
10-15M/SEC.
APPROX. |
20-45M/SEC.
APPROX. |
18-22M/SEC.
APPROX. |
Wheel
diameter
mm.
|
Cutting
speeds for:
|
10
m/sec
|
15
m/sec
|
20
m/sec
|
25
m/sec
|
30
m/sec
|
35
m/sec
|
40
m/sec
|
45
m/sec
|
50
m/sec
|
60
m/sec
|
20
|
9550
|
14725
|
19100
|
23875
|
28650
|
33440
|
38215
|
42990
|
47770
|
57300
|
25
|
7640
|
11460
|
15280
|
19100
|
22920
|
26750
|
30570
|
34390
|
38215
|
45800
|
30
|
6365
|
9550
|
12730
|
15915
|
19100
|
22290
|
25475
|
28660
|
31845
|
38200
|
50
|
3820
|
5730
|
7640
|
9550
|
11460
|
13375
|
15285
|
17195
|
19105
|
22800
|
75
|
2545
|
3820
|
5095
|
3670
|
7640
|
8915
|
10190
|
11465
|
12735
|
16350
|
100
|
1910
|
2865
|
3820
|
4775
|
5730
|
6685
|
7640
|
8600
|
9550
|
11450
|
125
|
1530
|
2290
|
3055
|
3820
|
4580
|
5350
|
6115
|
6880
|
7640
|
9180
|
150
|
1275
|
1910
|
2545
|
3180
|
3820
|
4460
|
5095
|
5730
|
6370
|
7600
|
175
|
1090
|
1640
|
2185
|
2730
|
3280
|
3820
|
4367
|
4910
|
5460
|
6500
|
200
|
955
|
1435
|
1910
|
2390
|
2865
|
3340
|
3820
|
4300
|
4780
|
5700
|
250
|
765
|
1145
|
1530
|
1910
|
2290
|
2675
|
3055
|
3440
|
3820
|
4590
|
300
|
635
|
905
|
1275
|
1590
|
1010
|
2230
|
2545
|
2865
|
3185
|
3800
|
350
|
545
|
820
|
1090
|
1365
|
1640
|
1910
|
2180
|
2455
|
2730
|
3260
|
400
|
480
|
715
|
955
|
1194
|
1435
|
1670
|
1910
|
2150
|
2390
|
2880
|
450
|
425
|
635
|
850
|
1060
|
1275
|
1485
|
1700
|
1910
|
2120
|
2550
|
|
Supplying To Industries Including:
Cutting Tools, Carbine Insert & Wear Parts, Precision Engineering,
Diamond Tooling, Automobile, Aerospace, Ceramics, Woodworking.
|