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DIN 128 A Curved Spring Lock Washers M8

Product brief description:

Durable and sturdy

No rust when exposed to water

Standard size

Environmentally friendly and aesthetically pleasing

Complete variety

Wide adaptability

Quality assurance

Material diversity (stainless steel, spring steel, copper, aluminum, alloy steel, etc)

Product specifics:

DIN 128 A curved spring lock washers M12 M8 M6 series is widely used in mechanical railway industrial products, auto parts, power products, solar products, ships, building decoration engineering, bridges, furniture, home appliances, and other fields.

Product parameter table:

DIN 128 (A) – 1994:

Nominal Diameter		Φ2	Φ2.5	Φ3	Φ3.5	Φ4	Φ5	Φ6	Φ7	Φ8	Φ10
d	min	2.1	2.6	3.1	3.6	4.1	5.1	6.1	7.1	8.1	10.2
d	max	2.4	2.9	3.4	3.9	4.4	5.4	6.5	7.5	8.5	10.7
dc	max	4.4	5.1	6.2	6.7	7.6	9.2	11.8	12.8	14.8	18.1
b	Nominal Size	0.9	1	1.3	1.3	1.5	1.8	2.5	2.5	3	3.5
	max	1	1.1	1.4	1.4	1.6	1.9	2.65	2.65	3.15	3.7
	min	0.8	0.9	1.2	1.2	1.4	1.7	2.35	2.35	2.85	3.3
s	Nominal Size	0.5	0.6	0.7	0.7	0.8	1	1.3	1.3	1.6	1.8
	max	0.6	0.7	0.8	0.8	0.9	1.1	1.4	1.4	1.7	1.9
	min	0.4	0.5	0.6	0.6	0.7	0.9	1.2	1.2	1.5	1.7
h	min	0.7	0.9	1.1	1.1	1.2	1.5	2	2	2.45	2.85
h	max	0.9	1.1	1.3	1.3	1.4	1.7	2.2	2.2	2.75	3.15
per 1000 units ≈ kg		0.035	0.055	0.09	0.1	0.15	0.3	0.7	0.75	1.3	2.1

Nominal Diameter		Φ12	Φ14	Φ16	Φ18	Φ20	Φ22	Φ24	Φ27	Φ30	Φ36
d	min	12.2	14.2	16.2	18.2	20.2	22.5	24.5	27.5	30.5	36.5
d	max	12.7	14.7	17	19	21.2	23.5	25.5	28.5	31.7	37.7
dc	max	21.1	24.1	27.4	29.4	33.6	35.9	40	43	48.2	58.2
b	Nominal Size	4	4.5	5	5	6	6	7	7	8	10
	max	4.2	4.7	5.2	5.2	6.2	6.2	7.25	7.25	8.25	10.25
	min	3.8	4.3	4.8	4.8	5.8	5.8	6.75	6.75	7.75	9.75
s	Nominal Size	2.1	2.4	2.8	2.8	3.2	3.2	4	4	6	6
	max	2.25	2.55	2.95	2.95	3.4	3.4	4.2	4.2	6.2	6.2
	min	1.95	2.25	2.65	2.65	3	3	3.8	3.8	5.8	5.8
h	min	3.35	3.9	4.5	4.5	5.1	5.1	6.5	6.5	9.5	10.3
h	max	3.65	4.3	5.1	5.1	5.9	5.9	7.5	7.5	10.5	11.3
per 1000 units ≈ kg		3.2	4.8	7	7.8	12.2	13.3	21.5	23.7	42.5	68