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M12 Metric Washers in Plastic (Nylon Polyamide)

This page lists all the various types of M12 Metric Washers in Plastic (Nylon Polyamide) that we currently offer. Use this page to help select suitable washers for M12 metric bolts or screws.

The accompanying flat washer dimension table allows convenient comparison between the available M12 flat washer dimensions. The table only includes flat washers and, for completeness, may include washers only available in other materials.
M12 Flat Washer Dimensions ()
Type inner
diameter
outer
diameter
thickness
Form A
DIN 125
13.0 24.0 2.5
Form B
BS 4320
13.0 24.0 1.6
Form C
BS 4320
13 28 2.5
ISO 7089 13.0 24.0 2.5
ISO 7090 13.0 24.0 2.5
DIN 9021 13.0 37 3.0
For Cheesehead
DIN 433
13.0 20.0 2.0
Penny v1 12.5 30 1.3-1.5
Penny v2 12.5 35 1.3-1.5
Penny v3 12.5 40 1.3-1.5
Penny v4 12.5 50 1.3-1.5
Westfield Fasteners Ltd 2024
M12 Flat Washer Dimensions ()
Type inner
diameter
outer
diameter
thickness
Form A
DIN 125
13.0 24.0 2.5
Form B
BS 4320
13.0 24.0 1.6
Form C
BS 4320
13 28 2.5
ISO 7089 13.0 24.0 2.5
ISO 7090 13.0 24.0 2.5
DIN 9021 13.0 37 3.0
For Cheesehead
DIN 433
13.0 20.0 2.0
Penny v1 12.5 30 1.3-1.5
Penny v2 12.5 35 1.3-1.5
Penny v3 12.5 40 1.3-1.5
Penny v4 12.5 50 1.3-1.5
Westfield Fasteners Ltd 2024
Prices are subject to quantity discounts based on a sliding scale. Enter the desired quantity in the relevant box in the table above. This will automatically calculate a line price indicating the applicable rate for the quantities selected. All prices shown exclude VAT.
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