|
米厘牙規格 2A Q(60°)
|
|
號稱
|
牙距
|
外徑
|
|
最大
|
最小
|
|
1.4
|
0.30
|
1.380
|
1.320
|
|
1.6
|
0.35
|
1.581
|
1.496
|
|
1.7
|
0.35
|
1.680
|
1.610
|
|
2
|
0.40
|
1.980
|
1.890
|
|
2.3
|
0.40
|
2.280
|
2.190
|
|
2.6
|
0.45
|
2.580
|
2.480
|
|
3
|
0.50
|
2.980
|
2.874
|
|
3
|
0.60
|
2.980
|
2.870
|
|
3.5
|
0.60
|
3.470
|
3.360
|
|
4
|
0.70
|
3.978
|
3.838
|
|
4
|
0.75
|
3.978
|
3.838
|
|
4.5
|
0.75
|
4.470
|
4.340
|
|
5
|
0.80
|
4.976
|
4.826
|
|
5
|
0.90
|
4.970
|
4.820
|
|
6
|
1.00
|
5.970
|
5.820
|
|
7
|
1.00
|
6.970
|
6.820
|
|
8
|
1.25
|
7.960
|
7.790
|
|
10
|
1.25
|
9.960
|
9.790
|
|
10
|
1.50
|
9.960
|
9.770
|
|
12
|
1.50
|
11.960
|
11.770
|
|
12
|
1.75
|
11.950
|
11.760
|
|
14
|
2.00
|
13.950
|
13.740
|
|
16
|
2.00
|
15.950
|
15.740
|
|
|
美國細牙規格 2A Q(60°)
|
|
號稱
|
牙數
|
外徑
|
|
最大
|
最小
|
|
NO:0
|
80
|
1.511
|
1.430
|
|
NO:1
|
72
|
1.839
|
1.750
|
|
NO:2
|
64
|
2.169
|
2.073
|
|
NO:3
|
56
|
2.497
|
2.393
|
|
NO:4
|
48
|
2.827
|
2.713
|
|
NO:5
|
44
|
3.157
|
3.035
|
|
NO:6
|
40
|
3.485
|
3.355
|
|
NO:8
|
36
|
4.145
|
4.006
|
|
NO:10
|
32
|
4.803
|
4.651
|
|
NO:12
|
28
|
5.461
|
5.296
|
|
1/4"
|
28
|
6.325
|
6.160
|
|
5/16"
|
24
|
7.910
|
7.727
|
|
3/8"
|
24
|
9.497
|
9.314
|
|
7/16"
|
20
|
11.079
|
10.874
|
|
1/2"
|
20
|
12.667
|
12.461
|
|
9/16"
|
18
|
14.252
|
14.031
|
|
5/8"
|
18
|
15.839
|
15.618
|
|
3/4"
|
16
|
19.012
|
18.773
|
|
7/8"
|
14
|
22.184
|
21.923
|
|
1"
|
12
|
25.354
|
25.065
|
|
|
美國粗牙規格 2A Q(60°)
|
|
號稱
|
牙數
|
外徑
|
|
最大
|
最小
|
|
NO:1
|
64
|
1.839
|
1.742
|
|
NO:2
|
56
|
2.169
|
2.065
|
|
NO:3
|
48
|
2.497
|
2.383
|
|
NO:4
|
40
|
2.824
|
2.695
|
|
NO:5
|
40
|
3.155
|
3.025
|
|
NO:6
|
32
|
3.485
|
3.332
|
|
NO:8
|
32
|
4.143
|
3.990
|
|
NO:10
|
24
|
4.801
|
4.618
|
|
NO:12
|
24
|
5.461
|
5.278
|
|
1/4"
|
20
|
6.322
|
6.116
|
|
5/16"
|
18
|
7.907
|
7.686
|
|
3/8"
|
16
|
9.492
|
9.253
|
|
7/16"
|
14
|
11.077
|
10.815
|
|
1/2"
|
13
|
12.662
|
12.385
|
|
9/16"
|
12
|
14.247
|
13.957
|
|
5/8"
|
11
|
15.834
|
15.527
|
|
3/4"
|
10
|
19.004
|
18.677
|
|
7/8"
|
9
|
22.177
|
21.824
|
|
1"
|
8
|
25.349
|
24.968
|
|
|
韋氏牙規格(55°)
|
|
號稱
|
牙數
|
外徑
|
|
最大
|
最小
|
|
1/16"
|
60
|
1.560
|
1.470
|
|
3/32"
|
48
|
2.361
|
2.155
|
|
1/8"
|
40
|
3.155
|
3.045
|
|
5/32"
|
32
|
3.945
|
3.795
|
|
3/16"
|
24
|
4.742
|
4.592
|
|
1/4"
|
20
|
6.330
|
6.160
|
|
5/16"
|
18
|
7.910
|
7.720
|
|
3/8"
|
16
|
9.500
|
9.310
|
|
7/16"
|
14
|
11.082
|
10.892
|
|
1/2"
|
12
|
12.670
|
12.460
|
|
9/16"
|
12
|
14.258
|
14.047
|
|
5/8"
|
11
|
15.845
|
15.605
|
|
3/4"
|
10
|
19.020
|
18.780
|
|
7/8"
|
9
|
22.195
|
21.935
|
|
1"
|
8
|
25.370
|
25.110
|
|
