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Washer sizes in mm uk.
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Washer size chart staff posted on october 20 2006 washer size chart.
Inside diameter a outside diameter b thickness.
They prevent corrosion between a steel screw and an aluminum surface.
Dimensional data and technical information shown on the fastenerdata website is in the public domain and has not been acquired through the standards agencies it has been completed and compiled by fastenerdata and is for guidance only.
Size inside diameter outside diameter thickness 2 3 32 1 4 020 4 1 8 5 16 1 32 6 5 32 3 8 3 64 8 3 16 7 16 3 64 10 7 32 1 2 3 64 1 4 9 32 5 8.
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12 mm 14 mm 16 mm 18 mm 20 mm 22 mm 24 mm 1 6 mm washer sizes correspond to the screw bolt diameter they fit.
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American metric washers size table metric washers per ansi b18 22m metric flat washers per.
For example an 8mm washer fits an 8mm bolt and therefore has an inner diameter of just over 8mm.
Where discrepancies are found they are subject to change without notice.
Drake s holdings ferry road fiskerton lincoln lincolnshire ln3 4hu united kingdom.
1 8 in 13 5 32 in 9 3 16 in 48 1 4 in 243 5.
Uss and sae washer dimensions.
Leyton fasteners have put together a comparison chart so that you can easily compare the dimensions of metric and imperial washer.