Flat Form A Washers

Flat form A washers are the most common type of washer used today. Primarily the stamped version to Din 125 A is supplied due to the availability and the economical price compared to the BS4320 version which have more of a machined flat finish.

Form A is a thicker version of the Form B with the same outside and internal dimensions.

M3	M4
M5	M6 x 1.60mm 12.5mm O/D
M8 x 1.60mm 17.0mm O/D	M10 x 2.00mm 21.0mm O/D
M12 x 2.50mm 24.0mm O/D	M14 x 2.50mm 28.0mm O/D
M16 x 3.00mm 30.0mm O/D	M18 x 3.00mm 34.0mm O/D
M20 x 3.00mm 37.0mm O/D	M22
M24 x 4.00mm 44.0mm O/D	M27 x 4.00mm 50.0mm O/D
M30 x 4.00mm 56.0mm O/D	M33 x 5.00mm 60.0mm O/D
M36 x 5.00mm 66.0mm O/D	M39 x 6.00mm 72.0mm O/D
M42 x 7.00mm 78.0mm O/D	M45 x 7.00mm 85.0mm O/D
M48 x 8.00mm 92.0mm O/D	M52 x 8.00mm 98.0mm O/D
M56 x 9.00mm 105.0mm O/D	M60 x 9.00mm 110mm O/D
M64 x 9.00mm 115mm O/D

For a larger diameter to the flat form A washers opt for form C, form D, form F or form G.

We also stock a vast range of other types of washer including flat washers, spring washers, taper washers, shakeproof washer, square plate washers etc..