DIN 7980 - Spring lock washer for cylinder head screws

Equivalent norms: CSN 021740; PN 82008; UNI 4464A;

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Company	City	Country	Company profile
TOP Kaleliler Fasteners	ANKARA	Turkey	See Detail
TOP LUSAVOUGA - Hardware and Tools	Cacia	Portugal	See Detail
TOP Lectoe Engineering Fasteners Ltd	Wolverhampton	United Kingdom	See Detail
TOP Jiaxing Haina Fastener Co.,Limited	JIAXING	China	See Detail
TOP WENZHOU XIONGLIAN HARDWARE MECHANICAL CO., LTD.	Wenzhou	China	See Detail
TOP Witec Precision Industry Co. Ltd.	New Taipei City	Taiwan	See Detail
TOP Shanghai Tengri Metal Products Co., Ltd	Shanghai	China	See Detail
TOP Ferrobend	Mumbai	India	See Detail
TOP GC PRECISION	Ghaziabad	India	See Detail
INDUSTRIAL PRODUCTS INDUSTRY	LUDHIANA	India

Legend:

d1 - Inner diameter
d2 - Outer diameter
S - Washer width

Makings:

Steel: spring steel
Stainless: A2, A4
Plastic: -
Non Ferrous: -
Thread: -

Notes:
-

Table according to DIN 7980:

dimensions in mm

Nominal	d1		d2	s		h		r	Mass (7,85 kg/dm3) per 1000units in kg	For thread size
Nominal	min.	max.	max.		Limit	min.	max.		Mass (7,85 kg/dm3) per 1000units in kg	For thread size
3	3,1	3,4	5,6	1	±0,1	2	2,36	0,2	0,105	M3
3,5	3,6	3,9	6,1	1	±0,1	2	2,36	0,2	0,114	M3,5
4	4,1	4,4	7	1,2	±0,1	2,4	2,83	0,2	0,195	M4
5	5,1	5,4	8,8	1,6	±0,1	3,2	3,78	0,2	0,37	M5
6	6,1	6,5	9,9	1,6	±0,1	3,2	3,78	0,3	0,425	M6
8	8,1	8,5	12,7	2	±0,1	4	4,72	0,5	1,05	M8
10	10,2	10,7	16	2,5	±0,15	5	5,9	0,8	1,96	M10
12	12,2	12,7	18	2,5	±0,15	5	5,9	0,8	2,28	M12
14	14,2	14,7	21,1	3	±0,2	6	7,1	1	3,8	M14
16	16,2	17	24,4	3,5	±0,2	7	8,25	1	5,94	M16
18	18,2	19	26,4	3,5	±0,2	7	8,25	1	6,6	M18
20	20,2	21,2	30,6	4,5	±0,2	9	10,6	1	12,3	M20
22	22,5	23,5	32,9	4,5	±0,2	9	10,6	1	13,6	M22
24	24,5	25,5	35,9	5	±0,2	10	11,8	1,6	18,1	M24
27	27,5	28,5	38,9	5	±0,2	10	11,8	1,6	20,6	M27
30	30,5	31,7	44,1	6	±0,2	12	14,2	1,6	32	M30
33	33,5	34,7	47,1	6	±0,2	12	14,2	1,6	35	M33
36	36,5	37,7	52,2	7	±0,25	14	16,5	1,6	52,5	M36
42	42,5	43,7	60,2	8	±0,25	16	18,9	2	80	M42
48	49	50,5	67	8	±0,25	16	18,9	2	90	M48

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Product	Date	Country	Detail
Bolts and nuts	2021-10-02 03:59:37	Kazakhstan	See Detail
Nuts and washers	2021-06-18 06:11:23	United Arab Emirates	See Detail
DIN 7980	2021-05-13 10:43:47	India	See Detail
DIN 7980, M22	2021-02-02 04:56:19	Singapore	See Detail

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DIN 7980 - Spring lock washer for cylinder head screws

Equivalent norms: CSN 021740; PN 82008; UNI 4464A;

Legend:

Makings:

Table according to DIN 7980:

There are no overstock items of this product.

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