Home / Metric Washers / M4 Metric Washers in Bright Zinc Plated (BZP) Steel with 300HV hardness

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M4 Metric Washers in Bright Zinc Plated (BZP) Steel with 300HV hardness

This page lists all the various types of M4 Metric Washers in Bright Zinc Plated (BZP) Steel with 300HV hardness that we currently offer. Use this page to help select suitable washers for M4 metric bolts or screws.

The accompanying flat washer dimension table allows convenient comparison between the available M4 flat washer dimensions. The table only includes flat washers and, for completeness, may include washers only available in other materials.

M4 Flat Washer Dimensions (mm)
Type	inner diameter	outer diameter	thickness
Form A DIN 125	4.3	9.0	0.8
Form C BS 4320	4.2	10	0.8
ISO 7089	4.3	9.0	0.8
ISO 7090	4.3	9.0	0.8
DIN 9021	4.3	12	1.0
For Cheesehead DIN 433	4.3	8.0	0.5
Penny v1	4.3	12	1.0-1.5
Penny v2	4.3	15	1.0-1.5
Penny v3	4.3	20	1.0-1.5
Penny v4	4.3	25	1.0-1.5
Westfield Fasteners Ltd 2024

M4 Flat Washer Dimensions (mm)
Type	inner diameter	outer diameter	thickness
Form A DIN 125	4.3	9.0	0.8
Form C BS 4320	4.2	10	0.8
ISO 7089	4.3	9.0	0.8
ISO 7090	4.3	9.0	0.8
DIN 9021	4.3	12	1.0
For Cheesehead DIN 433	4.3	8.0	0.5
Penny v1	4.3	12	1.0-1.5
Penny v2	4.3	15	1.0-1.5
Penny v3	4.3	20	1.0-1.5
Penny v4	4.3	25	1.0-1.5
Westfield Fasteners Ltd 2024

Image	Description	Sale Qtys	Qty	Price	Breakdown	Despatch Estimate
	Plain Washer ISO 7089 for M4 in 300HV Zinc Plated Steel WF70838			£0.00

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Plain Washer ISO 7089 for M4 in 300HV Zinc Plated Steel
WF70838

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