Parafuso Sextavado: Normal / Leve / Regular SAE graus: 2, 5 e 8


REFERÊNCIA
SAE J-105 e ASME B18.2.1
1996 (Tabela 4)
(Tabela 2)

parafusosextavado-normal-leve-regular-sae-graus-2-5e8
Diâmetro NominalEFGHRLTL < ou = 6 " L > 6 "y
máx.minmáx.min.máx.minmáx.min.máx.min.básicobásicomáx.
1/4"6.356.22311.12510.87112.82712.3954.143.810.6350.38119.0525.46.35
5/16"7.9377.78512.712.4214.65514.1475.3594.9530.6350.38122.2528.5757.061
3/8"9.5259.37214.27413.99516.5115.9516.1725.740.6350.38125.431.757.924
7/16"11.11210.93415.87515.54418.33817.7297.3916.9080.6350.38128.57534.9259.067
1/2"12.712.52219.0518.69421.99621.3368.2047.670.6350.38131.7538.19.779
9/16"14.28714.08420.62420.26923.82523.1149.4238.8391.1430.50834.92541.27510.591
5/8"15.87515.67123.82523.41827.50826.69510.2369.6011.1430.50838.144.4511.557
3/4"19.0518.82128.57527.9432.99431.85112.26811.5571.1430.50844.4550.812.7
7/8"22.22521.99633.32432.63938.50637.21114.313.4871.6511.01650.857.1514.122
1"25.425.14638.137.31243.99242.54515.92515.0112.4131.52457.1563.515.875
1.1/8"28.57528.29542.87541.42749.50447.21818.23716.7132.4131.52463.569.8518.135
1.1/4"31.7531.4747.62546.02454.99152.47620.6519.0242.4131.52469.8576.218.135
1.3/8"34.92534.6252.37450.64760.50257.73422.30120.5742.4131.52476.282.5521.158
1.1/2"38.137.79557.1555.24565.98962.99224.73922.912.4131.52482.5588.921.158
1.3/4"44.4544.14566.67564.46576.98773.48228.80326.7712.4131.52495.25101.625.4
2"50.850.94576.273.6687.98583.97232.0829.8452.4131.524107.95114.328.219
2.1/4"57.1556.84585.72582.85498.98394.46236.14433.7052.4131.524120.6512728.219
2.1/2"63.563.19595.2592.075109.982104.97840.20837.5662.4131.524133.35139.731.75
2.3/4"69.8569.545104.775101.295120.98115.46844.29741.4522.4131.524146.05152.431.75
3"76.275.895114.3110.49131.978125.95849.14946.1012.4131.524158.75165.131.75

TOLERÂNCIA PARA COMPRIMENTOS "L"

ComprimentoDiâmetro Nominal
1/4'' a 3/8''7/16'' e 1/2''9/16'' a 3/4''7/8'' e 1''1.1/8'' a 1.1/2''Acima de 1.1/2''
Até 1"-0.762-0.762-0.762---------------------------
Acima de 1" até 2.1/2"-1.016-1.524-2.032-2.54-3.048-4.572
Acima de 2".1/2" até 4"-1.524-2.032-2.54-3.556-4.064-5.08
Acima de 4" até 6"-2.54-2.54-2.54-4.064-4.572-5.588
Acima de 6"-4.572-4.572-4.572-5.08-5.588-6.096

OBS: 1-) Espessura da arruela sob a cabeça: para DN 3/4″ e menores = 0,381 a 0,635mm, e para DN maiores que 3/4″ = 0,381 a 0,889mm.
2-) ROSCAS: especificar – UNC/UNF/8UN/BSW/BSF