1、螺紋校準三針選用序號 規格螺距等級所選針徑最佳針徑M值中徑校準規格值類別MinMaxMinMax1M1.40.35H0.2600.173通規1.7241.731止規1.7851.7922M1.70.356H0.2600.202通規1.9481.955止規2.0352.0423M20.255H0.1420.144通規2.0462.053止規2.1072.1144M20.46H0.2600.231通規2.1752.1841.73871.7457止規2.2642.2731.83021.83725M2.50.456H0.2600.260通規2.6002.609止規2.6932.7026M2.60.45

2、6H0.2600.260通規2.7002.709止規2.7932.8027M30.356H0.2600.202通規3.2513.260止規3.3403.3498M30.56H0.2910.289通規3.1173.1262.67682.6858止規3.2153.2242.77532.78439M3.50.66H0.3700.346通規3.7023.711止規3.8133.82210M40.76H0.4600.404通規4.3214.3303.54693.5559止規4.4374.4463.66343.672411M50.86H0.4600.462通規5.1695.1784.48194.4909止

3、規5.2935.3024.60544.614412M61.06H0.5800.577通規6.2316.2425.35705.3680止規6.3756.3865.50055.511513M80.56H0.2910.289通規8.1178.126止規8.2278.23614M81.06H0.5800.577通規8.2318.242止規8.3758.38615M81.256H0.7300.721通規8.3028.3137.19467.2056止規8.4568.4677.34817.359116M101.56H0.8600.866通規10.31310.3249.03239.0433止規10.48710

4、.4989.20589.216817M121.756H0.7300.721通規12.30212.31310.869910.8809止規12.47612.48711.063411.074418M161.56H0.8600.866通規16.31316.324止規16.49716.50819M1626H1.2201.154通規16.63816.652止規16.84116.85520M201.56H0.8600.866通規20.31320.324止規20.49720.50821M202.56H1.4411.443通規20.54320.557止規20.75820.772M值范圍供參考普通螺紋塞規計算公式

5、（公制）普通螺紋塞規計算公式（英制）螺紋公稱直徑D12根據螺紋規格輸入inch螺距P1.75根據螺紋規格輸入螺距TD20.200查表7輸入選用針徑ZPL0.012查表1輸入最佳針徑EI06H螺紋均為0中經通端TPL0.011查表1輸入中徑止端WGO0.0175M。值通端WNG0.0115M。值止端F10.175最佳針徑需查附表4螺紋孔中徑尺寸D210.8634D2=D-2*3/8*H螺紋塞規現有三針直徑1.732/1.466/1.443/1.333/1.155/1.128/1.047/1.010/1.008/0.917/0.866/0.815/0.733/0.722/0.577/0.462/0

6、.458/0.404/0.289/螺紋規中徑d210.8754磨損極限螺紋規中徑d2通端10.869910.8699至至10.880910.880910.8579螺紋規中徑d2止端11.063411.0634至至11.074411.074411.0519螺紋規大徑d1通端12.001至12.023黃色單元格為公式自動計算勿動螺紋規大徑d1止端11.4079至11.4299螺紋規中徑端d2=M-3d+0.866PM:測得的含三針的直徑；d:所選三針值表1普通螺紋量規的中徑公差TD2和有關的位置關系工件內螺紋的中徑公差TPLZPLWGOWNG12-50um0.00600.00800.006051-

7、80um0.0070.0020.00950.007581-125um0.0090.0060.01250.0095126-200um0.0110.0120.01750.0115201-315um0.0140.0160.02100.0150316-500um0.0180.0240.02700.0190501-670um0.0220.0320.03300.0230表7參考JJG 888-1995附表3 標準系列統一螺紋的工作量規極限尺寸公制、美制和英制螺紋標準手冊 (第三版)電子版P249（紙質版P237）偏差偏差TPLTPL/2TPLTPL/2普通螺紋量規大徑、中徑的公式中徑尺寸尺寸大徑D2+EI

8、+ZPL止規端D2+EI+TD2+TPL/2+2F1D2+EI+TD2+TPL/2通規端D+EI+ZPL由通端螺紋塞規中徑公差帶的中心線到螺紋工件內螺紋中徑下偏差之間的距離在截短螺紋牙型的軸向剖面內，由中徑線和牙側直線部分頂端之間徑向距離TPL通端和止端螺紋塞規的中徑公差備注：F1=0.1PWGO由通端通端螺紋塞規中徑公差帶的中心線到其磨損極限之間的距離WNG由止端通端螺紋塞規中徑公差帶的中心線到其磨損極限之間的距離量規名稱F1ZPL使用三針時測力大小螺紋規中徑端d2=M-3d+0.866PM:測得的含三針的直徑；d:所選三針值序號規格等級所選針徑最佳針徑類別M值中徑校準規格值mmMinMax

9、Min10-80UNF2B0.2600.183通規1.8231.8321.318止規1.8731.8821.37221-64UNC2B0.229通規1.9411.9461.598止規2.0022.0071.65931-72UNF2B0.2600.204通規2.1002.1091.626止規2.1552.1641.68442-56UNC2B0.2600.262通規2.2772.2861.890止規2.3392.3481.95652-64UNF2B0.229通規1.928止規1.99163-48UNC2B0.306通規2.172止規2.24373-56UNC2B0.2600.262通規2.220止

10、規2.28684-40UNC2B0.3700.366通規2.9933.0022.433止規3.0683.0772.51294-48UNF2B0.306通規2.502止規2.576106-32UNC2B0.4600.458通規3.6823.6912.990止規3.7673.7763.076116-40UNF2B0.3700.367通規3.6543.6633.094止規3.7313.7403.175128-32UNC2B0.4600.458通規4.3434.3523.650止規4.4304.4393.739138-36UNF2B0.407通規3.708止規3.7951410-24UNC2B0.61

11、00.611通規5.0515.0604.138止規5.1515.1604.2391510-32UNF2B0.4600.458通規5.0035.0124.310止規5.0935.1024.402161/4-20UNC2B0.7300.733通規6.6156.6245.525止規6.7306.7395.641171/4-28UNF2B0.5200.523通規6.5356.5445.761止規6.6356.6445.862181/4-32UNEF2B0.4600.458通規5.834止規5.931195/16-18UNC2B0.8100.814通規8.2298.2387.021止規8.3548.36

12、37.148205/16-24UNF2B0.6090.611通規8.1638.1727.249止規8.2768.2857.363215/16-32UNEF2B0.4600.458通規8.1158.1247.422止規8.2128.2217.521223/8-16UNC2B0.9400.916通規9.9399.9488.494止規10.07510.0848.639233/8-24UNF2B0.6100.611通規9.7509.7598.837止規9.8669.8759.017243/8-32UNEF2B0.4600.458通規9.7029.7119.009止規9.8059.8149.114257

13、/16-14UNC2B1.0501.040通規11.51311.5229.934止規11.65911.6689.942267/16-20UNF2B0.7300.733通規11.37711.38610.287止規11.50511.51410.417277/16-28UNEF2B0.5200.523通規11.29811.30710.523止規11.40611.41510.632281/2-13UNC2B1.128通規11.430止規11.587M值范圍供參考mm查表3也可以查表1與表2算得查表3也可以查表1與表2算得普通螺紋塞規計算公式（英制）最佳針徑需查附表41.732/1.466/1.443/

14、1.333/1.155/1.128/1.047/1.010/1.008/0.917/0.866/0.815/0.733/0.722/0.577/0.462/0.458/0.404/0.289/附表3 標準系列統一螺紋的工作量規極限尺寸公制、美制和英制螺紋標準手冊 (第三版)電子版P249（紙質版P237）偏差偏差TPLTPL/2TPLTPL/2普通螺紋量規大徑、中徑的公式中徑尺寸尺寸大徑D2+EI+ZPL止規端D2+EI+TD2+TPL/2+2F1D2+EI+TD2+TPL/2通規端D+EI+ZPL由通端螺紋塞規中徑公差帶的中心線到螺紋工件內螺紋中徑下偏差之間的距離在截短螺紋牙型的軸向剖面內，

15、由中徑線和牙側直線部分頂端之間徑向距離TPL通端和止端螺紋塞規的中徑公差備注：F1=0.1PWGO由通端通端螺紋塞規中徑公差帶的中心線到其磨損極限之間的距離WNG由止端通端螺紋塞規中徑公差帶的中心線到其磨損極限之間的距離量規名稱F1ZPL223/8-16UNC2B0.9400.916中徑校準規格值inch計算出的M值理論附附表表1 1 螺螺紋紋標標準準MaxMinMaxMinMax公制、美制和英制螺紋標準手冊 (第三版)電子版P211（紙質版P199）1.3230.05190.05211.82331.82841.3770.05400.05421.87661.88171.6030.06290.0

16、6311.25401.25901.6640.06530.06551.31491.32001.6310.06400.06422.10012.10521.6890.06630.06652.15852.16361.8950.07440.07462.27702.28201.9610.07700.07722.34302.34811.9330.07590.07612.27152.27661.9960.07840.07862.33502.34012.1770.08550.08572.63012.63522.2480.08830.08852.70122.70632.2250.08740.08762.60722

17、.61222.2910.09000.09022.67322.67832.4380.09580.09602.99342.99852.5170.09890.09913.07213.07722.5070.09850.09872.96032.96542.5810.10140.10163.03403.03912.9970.11770.11803.68223.68983.0840.12110.12143.76853.77623.0990.12180.12203.65383.65893.1800.12500.12523.73513.74023.6580.14370.14404.34264.35023.747

18、0.14720.14754.43154.43913.7130.14600.14624.31964.32473.8000.14940.14964.40604.41114.1450.16290.16325.05115.05874.2470.16690.16725.15275.16034.3180.16970.17005.00305.01064.4090.17330.17365.09445.10205.5320.21750.21786.61466.62235.6490.22210.22246.73156.73915.7680.22680.22716.53516.54275.8700.23080.23116.63676.64435.6640.22970.22306.52706.35685.9410.23350.23396.62356.63377.0280.27640.27678.22858.23617.1550.28140.28178.35558.36317.2570.28540.28578.15968.16727.3710.28990.29028.27398.28157.4300.29220.29258.11458.12217.5290.29610.29648.21358.22128.5010.33440.33479.93899.9466中徑校準規格值mm8.6310.34010.