Return Home Division of Commercial Grinding Services,Inc.
2927 Nationwide Parkway, Brunswick, OH 44212
330-273-5040 | 800-379-1433
FAX: 330-273-5340
Mail: P.O. Box 1121, Medina, OH 44258
  

CUTTING TOOL SPECS SHEET —
Conversion Chart
MM
INCH
SIZE
MM
INCH
SIZE
MM
INCH
SIZE
MM
INCH
SIZE
MM
INCH
SIZE
3429
.0135
#80
1.9844
.078125
5/64
4.4958
.177
#16
7.8
.3071
-
14.6844
.578125
37/64
.3683
.0145
#79
1.9939
.0785
#47
4.5
.1772
-
7.9375
.3125
5/16
15
.5906
-
.3969
.015625
1/64
2
.0787
-
4.572
.18
#15
8
.315
-
15.0813
.59375
19/32
.4064
.016
#78
2.05
.0807
-
4.6228
.182
#14
8.0264
.316
O
15.4781
.609375
39/64
.4572
.018
#77
2.0574
.081
#46
4.699
.185
#13
8.2042
.323
P
15.5
.6102
-
.5
.0197
-
2.0828
.082
#45
4.7625
.1875
3/16
8.3344
.328125
21/64
15.875
.625
5/8
.508
.02
#76
2.1844
.086
#44
4.8006
.189
#12
8.4328
.332
Q
16
.6299
-
.5334
.021
#75
2.2606
.089
#43
4.8514
.191
#11
8.5
.3346
-
16.2719
.640625
41/64
.5715
.0225
#74
2.3749
.0935
#42
4.9149
.1935
#10
8.6106
.339
R
16.5
.6496
-
.6096
.024
#73
2.3813
.09375
3/32
4.9784
.196
# 9
8.7313
.34375
11/32
16.6688
.65625
21/32
.635
.025
#72
2.4384
.096
#41
5
.1969
-
8.8
.3465
-
17
.6693
-
.6604
.026
#71
2.4892
.098
#40
5.0546
.199
# 8
8.8392
.348
S
17.0656
.671875
43/64
.7112
.028
#70
2.5
.0984
-
5.1054
.201
# 7
9
.3543
-
17.4625
.6875
11/16
.74168
.0292
#69
2.5273
.0995
#39
5.1594
.203125
13/64
9.0932
.358
T
17.5
.689
-
.75
.0295
-
2.5781
.1015
#38
5.1816
.204
# 6
9.1281
.359375
23/64
17.8594
.703125
45/64
.7874
.031
#68
2.6416
.104
#37
5.2197
.2055
# 5
9.25
.3642
-
18
.7087
-
.7938
.03125
1/32
2.7051
.1065
#36
5.25
.2067
-
9.3472
.368
U
18.2563
.71875
23/32
.8128
.032
#67
2.7781
.109375
7/64
5.3086
.209
# 4
9.5
.374
-
18.5
.7283
-
.8382
.033
#66
2.794
.11
#35
5.4102
.213
# 3
9.525
.375
3/8
18.6531
.734375
47/64
.85
.0335
-
2.8194
.111
#34
5.5
.2165
-
9.5758
.377
V
19
.748
-
.889
.035
#65
2.8702
.113
#33
5.5563
.21875
7/32
9.8044
.386
W
19.05
.75
3/4
.9144
.036
#64
2.9
.1142
-
5.6134
.221
# 2
9.9219
.390625
25/64
19.4469
.765625
49/64
.9398
.037
#63
2.9464
.116
#32
5.7912
.228
# 1
10
.3937
-
19.5
.7677
-
.95
.0374
-
3
.1181
-
5.9436
.234
A
10.0838
.397
X
19.8438
.78125
25/32
.9652
.038
#62
3.048
.12
#31
5.9531
.234375
15/64
10.2
.4016
-
20
.7874
-
.9906
.039
#61
3.175
.125
1/8
6
.2362
-
10.2616
.404
Y
20.2406
.796875
51/64
1
.0394
-
3.2639
.1285
#30
6.0452
.238
B
10.3188
.40625
13/32
20.5
.8071
-
1.016
.04
#60
3.3
.1299
-
6.1468
.242
C
10.4902
.413
Z
20.6375
.8125
13/16
1.0414
.041
#59
3.4544
.136
#29
6.2484
.246
D
10.5
.4134
-
21
.8268
-
1.0668
.042
#58
3.5
.1378
-
6.25
.2461
-
10.7156
.421875
27/64
21.0344
.828125
53/64
1.0922
.043
#57
3.5687
.1405
#28
6.35
.25
1/4
11
.4331
-
21.4313
.84375
27/32
1.1
.0433
-
3.5719
.140625
9/64
6.35
.25
E
11.1125
.4375
7/16
21.5
.8465
-
1.1811
.0465
#56
3.6
.1417
-
6.5
.2559
-
11.25
.4429
-
21.8281
.859375
55/64
1.1906
.046875
3/64
3.6576
.144
#27
6.5278
.257
F
11.5
.4528
-
22
.8661
-
1.25
.0492
-
3.7
.1457
-
6.6294
.261
G
11.5094
.453125
29/64
22.225
.875
7/8
1.3
.0512
-
3.7338
.147
#26
6.7469
.265625
17/64
11.9063
.46875
15/32
22.5
.8858
-
1.3208
.052
#55
3.7973
.1495
#25
6.7564
.266
H
12
.4724
-
22.6219
.890625
57/64
1.397
.055
#54
3.8608
.152
#24
6.8
.2677
-
12.3031
.484375
31/64
23
.9055
-
1.45
.0571
-
3.9116
.154
#23
6.9088
.272
I
12.5
.4921
-
23.0188
.90625
29/32
1.5
.0591
-
3.9688
.15625
5/32
7
.2756
-
12.7
.5
1/2
23.4156
.921875
59/64
1.5113
.0595
#53
3.9878
.157
#22
7.0358
.277
J
12.8
.5039
-
23.5
.9252
-
1.5875
.0625
1/16
4
.1575
-
7.1374
.281
K
13
.5118
-
23.8125
.9375
15/16
1.6
.063
-
4.0386
.159
#21
7.1438
.28125
9/32
13.0969
.515625
33/64
24
.9449
-
1.6129
.0635
#52
4.0894
.161
#20
7.25
.2854
-
13.4938
.53125
17/32
24.2094
.953125
61/64
1.7018
.067
#51
4.2
.1654
-
7.366
.29
L
13.5
.5315
-
24.5
.9646
-
1.75
.0689
-
4.2164
.166
#19
7.493
.295
M
13.8906
.546875
35/64
24.6063
.96875
31/32
1.778
.07
#50
4.3053
.1695
#18
7.5
.2953
-
14
.5512
-
25
.9843
-
1.8542
.073
#49
4.3656
.171875
11/64
7.5406
.296875
19/64
14.2875
.5625
9/16
25.0031
.984375
63/64
1.9304
.076
#48
4.3942
.173
#17
7.6708
.302
N
14.5
.5709
-
25.4
1.000
1
MM INCH SIZE MM INCH SIZE MM INCH >SIZE >MM >INCH >SIZE >MM >INCH >SIZE

Use the following PDF Sheet for an easy print-out form of the above.

CONVERSION CHART (PDF)