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Aluminium Flat Washers

Aluminium Flat Washers are predominantly used in conjunction with a bolt or a nut, providing a smooth surface to distribute a load over a wider surface.

Within the industry, they are commonly referred to as ‘plain’ washers and are used to provide more thickness to a fixing when needed.

Aluminium Flat washers can also be used in applications where the housing hole is a larger diameter than the intended fixing.

Available at Fastenright in diameter M3 to M16 as standard.

Non-standard sizes, materials and finishes are available to order as specials, including small volume manufacture, modifications and bespoke parts made to drawings. Minimum order quantities apply.


Technical Data & Availability
Diameter Dimensions
M3 3.2 x 7 x 0.5 (DIN 125A)
M4 4.3 x 9 x 0.8 (DIN 125A)
M5 5.3 x 12 x 1
M5 5.3 x 16 x 1
M5 5.3 x 10 x 1 (DIN 125A)
M5 5.3 X 10 0.8 (Form B)
M6 x 18 OD x 1.2 THK
M6 x 20 OD x 1.5 THK
M6 6.4 x 12.5 x 1.6 (DIN 125A)
M6 6.4 x 12.5 x 0.8 (Form B)
M6 6.4 x 14 x 1.2
M8 8 x 18 x 1.6
M8 8.4 x 17 x 1.6 (DIN 125A)
M8 8.4 x 17 x 1 (Form B)
M10 10.2 x 21 x 2 (DIN 125A)
M10 10.5 x 21 x 1.25 (Form B)
M12 13 x 24 x 2.5 (DIN 125A)
M12 13 X 24 X 1.6 (Form B)
M16 17 x 30 x 2 (Form B)
Size not listed? Please make an enquiry – we may be able to provide it.
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