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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 - 237 in stock
single washer for £1.92
or box of 80 for £19.70
or bulk of 400 for £79.04
£0.00  
M20 Form A Washer in Zinc Plated Steel
WF13253 - 544 in stock
sachet of 2 for £1.54
or box of 100 for £11.08
or bulk of 500 for £41.06
£0.00  
Form B Washer M20 in Zinc Plated Steel
WF15213 - 347 in stock
sachet of 2 for £1.65
or box of 100 for £11.57
or bulk of 500 for £46.51
£0.00  
M20 Form C Washer in Zinc Plated Steel
WF67055 - 171 in stock
sachet of 2 for £2.24
or box of 100 for £15.29
or bulk of 500 for £60.53
£0.00  
Plain Washer ISO 7089 for M20 in 200HV Zinc Plated Steel
WF70831 - 93 in stock
single washer for £2.59
or box of 50 for £23.18
or bulk of 250 for £78.23
£0.00  
M20 Shakeproof Lock Washer Internal Tooth in Zinc Plated Steel
WF15331 - 788 in stock
single washer for £2.45
or box of 60 for £20.07
or bulk of 300 for £70.55
£0.00  
M20 Spring Washer (Square) in Zinc Plated Steel
WF15333 - 133 in stock
single washer for £1.07
or box of 80 for £11.76
or bulk of 400 for £43.20
£0.00  
single washer for £1.92
or box of 80 for £19.70
or bulk of 400 for £79.04
sachet of 2 for £1.54
or box of 100 for £11.08
or bulk of 500 for £41.06
sachet of 2 for £1.65
or box of 100 for £11.57
or bulk of 500 for £46.51
sachet of 2 for £2.24
or box of 100 for £15.29
or bulk of 500 for £60.53
single washer for £2.59
or box of 50 for £23.18
or bulk of 250 for £78.23
single washer for £2.45
or box of 60 for £20.07
or bulk of 300 for £70.55
single washer for £1.07
or box of 80 for £11.76
or bulk of 400 for £43.20
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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