• Unless otherwise specified, dimensions are in millimeters.
  • The length of the stud bolt does not include the chamfer height.
  • ID = depends on the pipe wall thickness and is specified in the order.
NPSCLassDIA ADIA DTHK BDIA GDIA KHNO. LDIA LStud Bolts DIA (in) Stud Bolts lgth (mm) 
NPS 1/2 ID 22.3150309011.235.160.315.6415.91/255
NPS 1/2 ID 22.3300389514.335.166.722.6415.91/265
NPS 1/2 ID 22.3600389520.735.166.728.4415.91/275
NPS 1/2 ID 22.39003812028.735.182.638.4422.23/4110
NPS 1/2 ID 22.315003812028.735.182.638.4422.23/4110
NPS 1/2 ID 22.32500
NPS 3/4 ID 27.71503810012.842.969.915.6415.91/265
NPS 3/4 ID 27.73004811515.942.982.625.6419.15/875
NPS 3/4 ID 27.76004811522.342.982.631.4419.15/890
NPS 3/4 ID 27.79004413031.842.988.941.4422.23/4115
NPS 3/4 ID 27.715004413031.842.988.941.4422.23/4115
NPS 3/4 ID 27.72500
NPS 1 ID 34.51504911014.350.879.417.6415.91/265
NPS 1 ID 34.53005412517.550.888.926.6419.15/875
NPS 1 ID 34.56005412523.950.888.933.4419.15/890
NPS 1 ID 34.5900521503550.8101.647.4425.47/8125
NPS 1 ID 34.51500521503550.8101.647.4425.47/8125
NPS 1 ID 34.52500
NPS 1.1/4 ID 43.21505911515.963.588.920.6415.91/270
NPS 1.1/4 ID 43.23006413519.163.598.426.6419.15/885
NPS 1.1/4 ID 43.26006413527.163.598.435.4419.15/895
NPS 1.1/4 ID 43.2900641603563.5111.147.4425.47/8125
NPS 1.1/4 ID 43.21500641603563.5111.147.4425.47/8125
NPS 1.1/4 ID 43.22500
NPS 1.1/2 ID 49.51506512517.573.298.422.6415.91/270
NPS 1.1/2 ID 49.53007015520.773.2114.330.6422.23/4 90
NPS 1.1/2 ID 49.56007015528.773.2114.338.4422.23/4 110
NPS 1.1/2 ID 49.59007018038.273.2123.850.4428.61140
NPS 1.1/2 ID 49.515007018038.273.2123.850.4428.61140
NPS 1.1/2 ID 49.52500
NPS 2 ID 62.01507815019.191.9120.725.6419.15/885
NPS 2 ID 62.03008416522.391.912733.6819.15/890
NPS 2 ID 62.06008416531.891.912743.4819.15/8110
NPS 2 ID 62.090010521544.591.9165.163.4825.47/8145
NPS 2 ID 62.0150010521544.591.9165.163.4825.47/8145
NPS 2 ID 62.02500
NPS 2.1/2 ID 74.71509018022.3104.6139.72738.645/8
NPS 2.1/2 ID 74.730010019025.5104.6149.23747.483/4
NPS 2.1/2 ID 74.760010019035104.6149.24170.483/4
NPS 2.1/2 ID 74.790012424547.7104.6190.56470.481
NPS 2.1/2 ID 74.7150012424547.7104.6190.56481
NPS 2.1/2 ID 74.72500
NPS 3 ID 90.715010819023.9127152.430.6419.15/890
NPS 3 ID 90.730011721028.6127168.342.6822.23/4110
NPS 3 ID 90.760011721038.2127168.352.4822.23/4125
NPS 3 ID 90.790012724044.5127190.560.4825.47/8145
NPS 3 ID 90.71500
NPS 3 ID 90.72500
NPS 3.1/2 ID 103.415012221523.9139.7177.831.6819.15/890
NPS 3.1/2 ID 103.430013323030.2139.7184.244.6822.23/4110
NPS 3.1/2 ID 103.460013323041.4139.7184.255.4825.45/8140
NPS 3.1/2 ID 103.4900
NPS 3.1/2 ID 103.41500
NPS 3.1/2 ID 103.42500
NPS 4 ID 116.115013523023.9157.2190.533.6819.17/890
NPS 4 ID 116.130014625531.8157.220047.6822.23/4115
NPS 4 ID 116.160015227544.5157.2215.960.4825.47/8145
NPS 4 ID 116.190015929050.9157.223576.4831.81.1/8170
NPS 4 ID 116.11500
NPS 4 ID 116.12500
NPS 6 ID 170.715019228025.5215.9241.339.6822.23/4100
NPS 6 ID 170.730020632036.6215.9269.952.61222.23/4120
NPS 6 ID 170.760022235554.3215.9292.173.41228.61170
NPS 6 ID 170.790023538062215.9317.592.41231.81.1/8190
NPS 6 ID 170.71500
NPS 6 ID 170.72500
NPS 8 ID 221.515024634528.6269.7298.544.6822.23/4110
NPS 8 ID 221.530026038041.3269.7330.261.61225.47/8140
NPS 8 ID 221.560027342062269.7349.282.41231.81.1/8190
NPS 8 ID 221.590029847069.9269.7393.7108.41238.11.3/8220
NPS 8 ID 221.51500
NPS 8 ID 221.52500
NPS 10 ID 276.315030540530.2323.936249.61225.47/8115
NPS 10 ID 276.330032144547.7323.9387.466.61628.61160
NPS 10 ID 276.360034351069.9323.9431.892.41634.91.1/4215
NPS 10 ID 276.390036854576.3323.9469.9114.41638.11.3/8235
NPS 10 ID 276.31500
NPS 10 ID 276.32500
NPS 12 ID 327.115036548531.8381431.855.61225.47/8120
NPS 12 ID 327.130037552050.9381450.872.61631.81.1/8170
NPS 12 ID 327.160040056073.138148998.42034.91.1/4220
NPS 12 ID 327.190041961085.8381533.4123.42038.11.3/8255
NPS 12 ID 327.11500
NPS 12 ID 327.12500
NPS 14 ID 359.115040053535412.8476.357.61231.81135
NPS 14 ID 359.130042558554412.8514.476.62031.81.1/8180
NPS 14 ID 359.160043260576.3412.8527100.42038.11.3/8235
NPS 14 ID 359.190045164092.2412.8558.8136.42041.31.1/2275
NPS 14 ID 359.11500
NPS 14 ID 359.12500
NPS 16 ID 410.515045759536.6469.9539.863.61628.61135
NPS 16 ID 410.530048365057.2469.9571.582.62034.91.1/4190
NPS 16 ID 410.560049568582.6469.9603.2112.42041.31.1/2255
NPS 16 ID 410.590050870595.3469.9616139.42044.51.5/8285
NPS 16 ID 410.51500
NPS 16 ID 410.52500
NPS 18 ID 461.815050563539.7533.4577.968.61631.81.1/8145
NPS 18 ID 461.830053371060.4533.4628.688.62434.91.1/4195
NPS 18 ID 461.860054674589533.4654123.42044.51.5/8275
NPS 18 ID 461.8900565785108533.4685.8158.42050.81.7/8325
NPS 18 ID 461.81500
NPS 18 ID 461.82500
NPS 20 ID 513.115055970042.9584.263572.62031.81.1/8160
NPS 20 ID 513.130058777563.6584.2685.895.62434.91.1/4205
NPS 20 ID 513.160061081595.3584.2723.9133.42444.51.5/8285
NPS 20 ID 513.1900622855114.4584.2749.3165.420542350
NPS 20 ID 513.11500
NPS 20 ID 513.12500
NPS 24 ID 615.915066381547.7692.2749.382.62034.91.1/4170
NPS 24 ID 615.930070291569.9692.2812.8106.62441.31.1/2230
NPS 24 ID 615.9600718940108692.2838.2146.42450.81.7/8330
NPS 24 ID 615.99007491040146.1692.2901.7209.42066.72.1/2440
NPS 24 ID 615.91500
NPS 24 ID 615.92500