All measurements in millimeters (mm)

Thread Diameter--->M5M6M8M10M12M16M20M24(M27)M30(M33)M36(M39)
b+2p0.811.251.51.7522.5333.53.544
1618222630384654666
02832364452606672788490
4957657379859197103
d2H956810121618222427303235
d3max.12141820253240455055606570
min. Type A10.912.916.918.723.730.438.443.448.453.158.163.168.1
min. Type B and C11.5713.5717.5719.4824.4831.3839.3844.3849.3854.2659.2664.2669.26
rapprox.2.5444666101010161616
sType A max.891114171924283034384146
Type A min.7.528.5210.313.316.318.1623.1627.1629.1633374045
Type B and C max.67912141722252730343841
Type B and C min.5.886.858.8511.8213.8216.8221.7924.7926.7929.7933.7537.7540

All the details are strictly informative

LNominal size303540455055606570758090100110120130140150160180200220240260280300
Type Amin.28.9533.7538.7543.7548.7553.558.563.568.573.578.588.2598.25108.25118.25128138148156176195.4215.4235.4254.8274.8294.8
max.31.0536.2541.2546.2551.2556.561.566.571.576.581.591.75101.75111.75121.75132142152164184201.6224.6244.6265.2285.2305.2
Type BMin.29.3534.239.244.249.254.0559.0564.0569.0574.0579.0588.998.9108.9118.9128.75138.75148.75158.75178.75198.55218.55238.55258.4278.4298.4
Max.30.6535.840.845.850.855.9560.9565.9570.9575.9580.9591.1101.1111.1121.1131.25141.25151.25161.25181.25201.45221.45241.45261.6281.6301.6
Type CMin.29.634.539.544.549.554.459.464.469.474.479.489.399.3109.3119.3129.2139.2149.2159.2179.2199.1219.1239.1258.9278.9298.9
Max.30.435.540.545.550.555.660.665.670.675.680.690.7100.7110.7120.7130.8140.8150.8160.8180.8200.9220.9240.9261281301