They are primarily used for load distribution, electrical insulation, and corrosion resistant fastening applications. Sizes correspond to standard metric fasteners.

Applicable Standard

DIN 125 Form A – Metric flat washers, normal series.

Material

Polyamide 6.6 (Nylon 66).

Sizes

M5–M39.

Specific Features

Weight: Lightweight, approximately one sixth the weight of steel washers
Vibration Damping: Helps reduce noise and vibration within assemblies
Colour: Typically natural white / off white (other colours available on request)

Performance

Good mechanical strength and dimensional stability
Prevents bimetallic corrosion between dissimilar metals
Resistant to corrosion, moisture, most solvents, petroleum products, and diluted acids
Non rusting and non conductive

Typical Applications

Load distribution when fastening against softer materials
Electrical and electronic assemblies
Insulating barrier between dissimilar materials
Corrosion sensitive environments
General construction, mechanical, and light industrial fixings

Installation Notes

Anti galling measures recommended when used with stainless steel fasteners

Limitation (optional)

Not suitable for high temperature applications
Not intended for high load structural fastening where metallic washers are required

Dimensions & Design

Flat washer profile with standard outside diameter and thickness in accordance with DIN 125 Form A. Designed for use with standard metric bolts, screws, and nuts.

Nylon Washers DIN 125A Dimensions

Product	d1 - Min	d1 - Max	d2 - Min	d3 - Max	h - Min	h - Max
M5	5.3	5.48	9.64	10	0.9	1.1
M6	6.4	6.62	11.57	12	1.4	1.8
M7	7.4	7.62	13.57	14	1.4	1.8
M8	8.4	8.62	15.57	16	1.4	1.8
M10	10.5	10.77	19.48	20	1.8	2.2
M12	13	13.27	23.48	24	2.3	2.7
M14	15	15.27	27.48	28	2.3	2.7
M16	17	17.27	29.48	30	2.7	3.3
M18	19	19.33	33.38	34	2.7	3.3
M20	21	21.33	36.28	37	2.7	3.3
M22	23	23.33	38.38	39	2.7	3.3
M24	25	25.33	43.38	44	3.7	4.3
M27	28	28.33	49.38	50	3.7	4.3
M30	31	31.39	55.26	56	3.7	4.3
M33	34	34.62	58.8	60	4.4	5.6
M36	37	37.62	64.8	66	4.4	5.6
M39	40	40.62	70.8	72	5.4	6.6

View our Nylon Flat Washers datasheet

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