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M20 Metric Washers in Bright Zinc Plated (BZP) Steel

This page lists all the various types of M20 Metric Washers in Bright Zinc Plated (BZP) Steel that we currently offer. Use this page to help select suitable washers for M20 metric bolts or screws.

The accompanying flat washer dimension table allows convenient comparison between the available M20 flat washer dimensions. The table only includes flat washers and, for completeness, may include washers only available in other materials.
M20 Flat Washer Dimensions ()
Type inner
diameter
outer
diameter
thickness
Form A
DIN 125
21.0 37.0 3.0
Form B
BS 4320
21.0 37.0 2.0
Form C
BS 4320
21 39 3.0
ISO 7089 21.0 37.0 3.0
ISO 7090 21.0 37.0 3.0
DIN 9021 22.0 60 4.0
For Cheesehead
DIN 433
21.0 34.0 3.0
Westfield Fasteners Ltd 2025
M20 Flat Washer Dimensions ()
Type inner
diameter
outer
diameter
thickness
Form A
DIN 125
21.0 37.0 3.0
Form B
BS 4320
21.0 37.0 2.0
Form C
BS 4320
21 39 3.0
ISO 7089 21.0 37.0 3.0
ISO 7090 21.0 37.0 3.0
DIN 9021 22.0 60 4.0
For Cheesehead
DIN 433
21.0 34.0 3.0
Westfield Fasteners Ltd 2025
Image Description Sale Qtys Qty Price Breakdown Despatch Estimate
M20 Flat Washer to DIN 126 (22mm x 37mm) in Zinc Plated Steel
WF65938
£0.00
M20 Form A Washer in Zinc Plated Steel
WF13253
£0.00
Form B Washer M20 in Zinc Plated Steel
WF15213
£0.00
M20 Form C Washer in Zinc Plated Steel
WF67055
£0.00
Plain Washer ISO 7089 for M20 in 200HV Zinc Plated Steel
WF70831
£0.00
M20 Shakeproof Lock Washer Internal Tooth in Zinc Plated Steel
WF15331
£0.00
M20 Spring Washer (Square) in Zinc Plated Steel
WF15333
£0.00
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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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