TaurusFix

ASME B18.21.1 dimensions — Type A plain washers, inch series (Table 11 profile)

Edition
2009 (R2016) edition, current
Related
ASTM F436

ASME B18.21.1 dimensions

in · 35 sizes, #0 – 1-1/2 WIn stock
SizeWasher seriesAInner diameterA +Inner diameter plus toleranceA −Inner diameter minus toleranceBOuter diameterB +Outer diameter plus toleranceB −Outer diameter minus toleranceCWasher thickness
minmax
#0Preferred0.07800.0050.18800.0050.020.0160.025
#2Preferred0.09400.0050.2500.0050.020.0160.025
#4Preferred0.1250.0080.0050.3120.0080.0050.0320.0250.04
#6Preferred0.1560.0080.0050.3750.0150.0050.0490.0360.065
#8Preferred0.1880.0080.0050.4380.0150.0050.0490.0360.065
#10Preferred0.2190.0080.0050.50.0150.0050.0490.0360.065
#12Preferred0.250.0150.0050.5620.0150.0050.0650.0510.08
N0.2810.0150.0050.6250.0150.0050.0650.0510.08
W0.3120.0150.0050.7340.0150.0070.0650.0510.08
N0.3440.0150.0050.6880.0150.0070.0650.0510.08
W0.3750.0150.0050.8750.030.0070.0830.0640.104
N0.4060.0150.0050.8120.0150.0070.0650.0510.08
W0.4380.0150.00510.030.0070.0830.0640.104
N0.4690.0150.0050.9220.0150.0070.0650.0510.08
W0.50.0150.0051.250.030.0070.0830.0640.104
N0.5310.0150.0051.0620.030.0070.0950.0740.121
W0.5620.0150.0051.3750.030.0070.1090.0860.132
9/16 NN0.5940.0150.0051.1560.030.0070.0950.0740.121
9/16 WW0.6250.0150.0051.4690.030.0070.1090.0860.132
N0.6560.030.0071.3120.030.0070.0950.0740.121
W0.6880.030.0071.750.030.0070.1340.1080.16
N0.8120.030.0071.4690.030.0070.1340.1080.16
W0.8120.030.00720.030.0070.1480.1220.177
N0.9380.030.0071.750.030.0070.1340.1080.16
W0.9380.030.0072.250.030.0070.1650.1360.192
N1.0620.030.00720.030.0070.1340.1080.16
W1.0620.030.0072.50.030.0070.1650.1360.192
1-1/8 NN1.250.030.0072.250.030.0070.1340.1080.16
1-1/8 WW1.250.030.0072.750.030.0070.1650.1360.192
1-1/4 NN1.3750.030.0072.50.030.0070.1650.1360.192
1-1/4 WW1.3750.030.00730.030.0070.1650.1360.192
1-3/8 NN1.50.030.0072.750.030.0070.1650.1360.192
1-3/8 WW1.50.0450.013.250.0450.010.180.1530.213
1-1/2 NN1.6250.030.00730.030.0070.1650.1360.192
1-1/2 WW1.6250.0450.013.50.0450.010.180.1530.213

Dimensions from ASME B18.21.1-2009 (R2016), the current edition.

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