TONY's Homepage
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美制粗螺紋
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標準徑
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2級牙鉆口徑
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最大
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最小
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(番數牙外徑)
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No. 1-64 (1.854)
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1.55
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1.582
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1.425
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No. 2-56 (2.184)
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1.80
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1.871
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1.695
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No. 3-48 (2.515)
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2.10
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2.146
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1.941
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No. 4-40 (2.845)
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2.30
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2.385
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2.157
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No. 5-40 (3.175)
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2.60
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2.697
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2.487
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No. 6-32 (3.505)
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2.80
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2.895
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2.642
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No. 8-32 (4.166)
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3.40
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3.530
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3.302
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No. 10-24
(4.826)
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3.90
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3.962
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3.683
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No. 12-24
(5.486)
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4.50
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4.597
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4.44
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1/4 --- 20
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5.10
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5.257
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4.979
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5/16 --- 18
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6.60
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6.731
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6.401
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3/8 --- 16
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8.00
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8.153
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7.798
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7/16 --- 14
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9.40
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9.550
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9.144
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1/2 --- 13
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10.80
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11.023
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10.592
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9/16 --- 12
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12.20
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12.446
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11.989
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5/8 --- 11
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13.60
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12.868
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13.386
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3/4 --- 10
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16.50
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18.840
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16.307
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7/8 --- 9
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19.50
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19.761
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19.177
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1 --- 8
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22.20
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22.606
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21.971
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1-1/8 ---
7
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25.00
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25.349
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24.638
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1-1/4 ---
7
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28.20
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28.524
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27.813
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1-3/8 ---
6
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30.80
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31.115
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30.353
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1-1/2 ---
6
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34.00
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34.290
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33.528
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1-3/4 ---
5
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39.50
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39.827
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38.964
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2 --- 4-1/2
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45.20
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45.593
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44.679
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回頁首
美制細螺紋
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規格
(UNF)
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標準徑
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2級牙鉆孔徑
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最大
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最小
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(番數外徑)
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No. 0-80 (1.524)
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1.25
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1.305
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1.182
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No. 1-72 (1.854)
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1.55
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1.612
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1.474
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No. 2-64 (2.184)
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1.85
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1.912
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1.756
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No. 3-56 (2.515)
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2.10
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2.197
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2.025
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No. 4-48 (2.845)
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2.40
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2.458
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2.271
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No. 5-44 (3.175)
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2.70
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2.740
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2.551
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No. 6-40 (3.505)
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2.90
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3.022
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2.820
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No. 8-36 (4.166)
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3.50
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3.606
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3.404
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No. 10-32
(4.826)
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4.10
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4.165
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3.963
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No. 12-28
(5.846)
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4.60
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4.724
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4.496
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1/4 --- 28
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5.50
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5.588
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5.360
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5/16 --- 24
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6.90
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7.035
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6.782
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3/8 --- 24
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8.50
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8.636
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8.382
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7/16 --- 20
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9.90
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10.033
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9.729
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1/2 --- 20
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11.50
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11.607
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11.329
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9/16 --- 18
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12.90
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13.081
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12.751
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5/8 --- 18
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14.50
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14.681
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14.351
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3/4 --- 16
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17.50
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17.678
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17.323
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7/8 --- 14
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20.50
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20.675
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20.270
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1 --- 12
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23.20
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23.571
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23.114
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1-1/8 ---
12
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26.50
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26.746
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26.289
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1-1/4 ---
12
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29.50
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29.921
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29.464
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1-3/8 ---
12
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32.80
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33.096
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32.639
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1-1/2 ---
12
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36.00
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36.271
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35.814
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回頁首
美制特細螺紋
規格
(UNEF)
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標準徑
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2級牙鉆口徑
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最大
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最小
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No. 12 ---
32
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4.70
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4.826
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4.623
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1/4 --- 32
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5.60
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5.690
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5.486
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5/16 --- 32
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7.10
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7.264
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7.087
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3/8 --- 32
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8.70
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8.865
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8.661
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7/16 --- 28
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10.20
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10.338
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10.135
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1/2 --- 28
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11.80
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11.938
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11.709
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9/16 --- 24
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13.20
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13.386
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13.132
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5/8 --- 24
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14.80
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14.986
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14.732
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3/4 --- 20
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17.80
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17.958
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17.678
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7/8 --- 20
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21.00
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21.133
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20.853
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1 --- 20
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24.00
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24.308
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24.028
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回頁首
美制管螺紋
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規格
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鉆孔徑
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NPT
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NPS
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使用絞刀時
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不用絞刀時
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1/16 --- 27
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6.10
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6.25
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6.35
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1/8 --- 27
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8.33
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8.43
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8.74
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1/4 --- 18
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10.72
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11.13
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11.13
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3/8 --- 18
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14.27
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14.27
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14.68
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1/2 --- 14
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17.48
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17.86
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18.26
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3/4 --- 14
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22.63
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23.01
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23.42
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1 --- 11-1/2
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28.58
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28.98
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29.36
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1-1/4 ---
11-1/2
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37.31
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37.69
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38.10
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1-1/2 ---
11-1/2
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43.66
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44.04
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44.45
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2 --- 11-1/2
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55.58
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55.96
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56.36
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回頁首 |
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