Porca e Contra-Porca Sextavada Pesada


ASME / ANSI B18.2.2 – 1987
(Tabela 9)

Porca e Contra-Porca Sextavada Pesada
Diâmetro Nominal FGHH1
máx.min.máx.min.máx.min.máx.min.
1/4"12.712.3914.65514.1226.355.5374.7753.962
5/16"14.27413.86816.5115.7987.9757.1125.5884.724
3/8"17.47516.99220.16719.389.5758.6616.45.486
7/16"19.0518.49121.99621.08211.20110.2367.2396.273
1/2"22.22521.5925.65424.61212.80111.7858.0517.035
9/16"23.82523.08827.50826.33914.42713.368.8647.797
5/8"26.97426.18731.16529.84516.02714.9099.6778.559
3/4"31.7530.78436.65235.10219.25318.03411.32810.109
7/8"36.52535.40742.16440.3622.47921.15812.95411.633
1"41.27540.00547.6545.61825.70424.28214.60513.182
1.1/8"46.02444.60253.16250.8528.9327.40616.2314.706
1.1/4"50.849.22558.64856.10831.77530.14919.07517.449
1.3/8"55.57553.82264.1661.36635.00133.24720.70118.973
1.1/2"60.32558.4269.64666.59838.22736.39822.35220.523
1.5/8"65.07463.01775.15871.83141.45239.52223.97722.047
1.3/4"69.8567.61480.64577.08944.67842.64625.62823.596
1.7/8"74.62572.23786.15682.34647.90445.7727.25425.12
2"79.37576.83591.64387.60451.1348.89528.90526.67
2.1/4"88.986.055102.64198.09457.17554.73731.77529.337
2.1/2"98.42595.25113.639108.58563.62760.98538.22735.585
2.3/4"107.95104.444124.637119.07570.07867.23341.50338.658
3"117.475113.665135.636129.5976.5373.48244.7841.732
3.1/4"127122.885146.659140.08182.679.34947.6544.399
3.1/2"136.525132.08157.657150.57189.05285.59850.95247.498
3.3/4"146.05141.274168.656161.06195.50491.84654.20350.546
4"155.575150.495179.654171.677101.95598.09457.50553.644