•  All dimensions are in millimeters unless otherwise specified.
  • The inner diameter (ID) of the washer should be adjusted according to the pipe wall thickness and bolt diameter, to be clearly specified in the order.
  • Products can be customized according to customer requirements to suit different application scenarios.

Nominal Diameter
(d)
---6#8#10#3/1612#1/41/45/165/163/83/87/16
dNominal---0.13800.16400.19000.18750.21600.25000.25000.31250.31250.37500.37500.4375
Type--------NWNWNWN
dNominal0.0780.0940.1250.1560.1880.2190.2500.2500.2810.3120.3440.3750.4060.4380.469
Maximum0.0780.0940.1330.1640.1960.2270.2650.2650.2960.3270.3590.3900.4210.4530.484
Minimum0.0730.0890.1200.1510.1830.2140.2450.2450.2760.3070.3390.3700.4010.4330.464
dcNominal0.1880.2500.3120.3750.4380.5000.5620.5620.6250.734°0.6880.8750.8121.0000.922
Maximum0.1880.2500.3200.3900.4530.5150.5770.5770.6400.7490.7030.9050.8271.0300.937
Minimum0.1830.2450.3070.3700.4330.4950.5570.5570.6200.7270.6810.8680.8050.9930.915
hNominal0.0200.0200.0320.0490.0490.0490.0490.0650.0650.0650.0650.0830.0650.0830.065
Maximum0.0250.0250.0400.0650.0650.0650.0650.0800.0800.0800.0800.1040.0800.1040.080
Minimum0.0160.0160.0250.0360.0360.0360.0360.0510.0510.0510.0510.0640.0510.0640.051
Nominal Diameter(d)7/161/21/29/169/165/85/83/43/47/87/8111-1/81-1/8
dNominal0.43750.50000.50000.56250.56250.62500.62500.75000.75000.87500.87501.00001.00001.12501.1250
TypeWNWNWNWNWNWNWNW
d1Nominal0.5000.5310.5620.5940.6250.6560.6880.8120.8120.9380.9381.0621.0621.2501.250
maximum0.5150.5460.5770.6090.6400.6860.7180.8420.8420.9680.9681.0921.0921.2801.280
minimum0.4950.5260.5570.5890.6200.6490.6810.8050.8050.9310.9311.0551.0551.2431.243
dcNominal1.2501.0621.3751.156°1.469°1.3121.7501.469*2.0001.7502.2502.0002.5002.2502.750
maximum1.2801.0921.4051.1861.4991.3421.7801.4992.0301.7802.2802.0302.5302.2802.780
minimum1.2431.0551.3681.1491.4621.3051.7431.4621.9931.7432.2431.9932.4932.2432.743
hNominal0.0830.0950.1090.0950.1090.0950.1340.1340.1480.1340.1650.1340.1650.1340.165
maximum0.1040.1210.1320.1210.1320.1210.1600.1600.1770.1600.1920.1600.1920.1600.192
minimum0.0640.0740.0860.0740.0860.0740.1080.1080.1220.1080.1360.1080.1360.1080.136
Nominal Diameter(d)1-1/41-1/41-3/81-3/81-1/21-1/21-5/81-3/41-7/822-1/42-1/22-3/43
dNominal1.25001.25001.37501.37501.50001.50001.62501.75001.87502.00002.25002.50002.75003.0000
TypeNWNWNW--------
d1Nominal1.3751.3751.5001.5001.6251.6251.7501.8752.0002.1252.3752.6252.8753.125
maximum1.4051.4051.5301.5451.6551.6701.7951.9202.0452.1702.4202.6702.9403.190
minimum1.3681.3681.4931.4901.6181.6151.7401.8651.9902.1152.3652.6152,8653.115
dcNominal2.5003.0002.7503.2503.0003.5003.7504.0004.2504.5004.7505.0005.2505.500
maximum2.5303.0302.7803.2953.0303.5453.7954.0454.2954.5454.7955.0455.3155.565
minimum2.4932.9932.7433.2402.9933.4903.7403.9904.2404.4904.7404.9905.2405.490
hNominal0.1650.1650.1650.1800.1650.1800.1800.1800.1800.1800.2200.2380.2590.284
maximum0.1920.1920.1920.2130.1920.2130.2130.2130.2130.2130.2480.2800.3100.327
minimum0.1360.1360.1360.1530.1360.1530.1530.1530.1530.1530.1930.2100.2280.249