Home / Metric Washers / M12 Metric Washers in A2 Stainless Steel

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M12 Metric Washers in A2 Stainless Steel

This page lists all the various types of M12 Metric Washers in A2 Stainless Steel 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 2025

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 2025

Image	Description	Sale Qtys	Qty	Price	Breakdown	Despatch Estimate
	M12 Conical Seat Washer (Type D) in A2 Stainless WF51306			£0.00
	M12 Countersunk Cup Washer Stamped in A2 Stainless Steel WF85238			£0.00
	M12 Washer for Wood Construction DIN 440 Type V in A2 Stainless WF86204			£0.00
	M12 For Cheesehead Washer in A2 Stainless WF10627			£0.00
	M12 Form A Washer in A2 Stainless WF24			£0.00
	M12 Form B Washer in A2 Stainless WF10810			£0.00
	M12 Form C Washer in A2 Stainless WF1187			£0.00
	M12 Heavy Washer in A2 Stainless WF51098			£0.00
	M12 200HV Flat Plain Washer ISO 7089 in A2 Stainless WF73324			£0.00
	M12 Large Washer to DIN 9021 in A2 Stainless WF11668			£0.00
	30mm OD M12 Penny Washer in A2 Stainless WF24385			£0.00
	35mm OD M12 Penny Washer in A2 Stainless WF1009			£0.00
	40mm OD M12 Penny Washer in A2 Stainless WF60213			£0.00
	50mm OD M12 Penny Washer in A2 Stainless WF23534			£0.00
	M12 Shakeproof Lock Washer External Tooth in A2 Stainless WF25766			£0.00
	M12 Shakeproof Lock Washer Internal Tooth in A2 Stainless WF36			£0.00
	M12 Spherical Washer (Type C) in A2 Stainless WF51294			£0.00
	M12 Cone Lock Washer (Belleville) in A2 Stainless WF20962			£0.00
	M12 Spring Washer (Rectangular) in A2 Stainless WF20333			£0.00
	M12 Spring Washer (Square) in A2 Stainless WF30			£0.00
	Wave Washer (Type B) M12 in A2 Stainless WF13312			£0.00
	M12 Square Plate Washer in A2 Stainless WF39001			£0.00
	M12 Tab Washer to DIN 463 in A2 Stainless WF63143			£0.00
	M12 Washer for Wood Construction DIN 440 Type R in A2 Stainless WF84166			£0.00

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M12 Conical Seat Washer (Type D) in A2 Stainless
WF51306

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M12 Countersunk Cup Washer Stamped in A2 Stainless Steel
WF85238

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M12 Washer for Wood Construction DIN 440 Type V in A2 Stainless
WF86204

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M12 For Cheesehead Washer in A2 Stainless
WF10627

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M12 Form A Washer in A2 Stainless
WF24

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M12 Form B Washer in A2 Stainless
WF10810

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M12 Form C Washer in A2 Stainless
WF1187

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M12 Heavy Washer in A2 Stainless
WF51098

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M12 200HV Flat Plain Washer ISO 7089 in A2 Stainless
WF73324

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M12 Large Washer to DIN 9021 in A2 Stainless
WF11668

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30mm OD M12 Penny Washer in A2 Stainless
WF24385

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35mm OD M12 Penny Washer in A2 Stainless
WF1009

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40mm OD M12 Penny Washer in A2 Stainless
WF60213

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50mm OD M12 Penny Washer in A2 Stainless
WF23534

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M12 Shakeproof Lock Washer External Tooth in A2 Stainless
WF25766

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M12 Shakeproof Lock Washer Internal Tooth in A2 Stainless
WF36

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M12 Spherical Washer (Type C) in A2 Stainless
WF51294

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M12 Cone Lock Washer (Belleville) in A2 Stainless
WF20962

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M12 Spring Washer (Rectangular) in A2 Stainless
WF20333

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M12 Spring Washer (Square) in A2 Stainless
WF30

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Wave Washer (Type B) M12 in A2 Stainless
WF13312

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M12 Square Plate Washer in A2 Stainless
WF39001

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M12 Tab Washer to DIN 463 in A2 Stainless
WF63143

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M12 Washer for Wood Construction DIN 440 Type R in A2 Stainless
WF84166

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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.