Technical data for Disc springs

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This product is regulated by the following standards:

Standard UNI 8737

Attention

This standard has been withdrawn

Disc springs

Dimensions in mm - UNI 8737 - Withdrawn Publication date: 11-1985
De	Di	t	lo	weight in Kg x 1000 pcs (ρ=7.85 kg/dm³)
8	4.2	0.2	0.45	0.05
8	4.2	0.3	0.55	0.07
8	4.2	0.4	0.6	0.1
10	5.2	0.25	0.55	0.1
10	5.2	0.4	0.7	0.16
10
12.5
12.5
12.5
14
14
14
16
16
16
18
18
18
20
20
20
22.5
22.5
22.5
25
25
25
28
28
28
31.5
31.5
31.5

The definitive version for the implementation of this standard is the edition bearing the most recent date of issue, obtainable from UNI - Ente italiano di normazione Via Sannio 2 - 20137 Milano, Italy.
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Dimensions in mm - DIN 2093 - Withdrawn Publication date: 12/2013 - Supersedes DIN 2093 01/1992; The DIN 2093 specification classifies disc springs into 3 groups: GROUP 1: under 1.25 mm thick (cold formed,radiused edges, without bearing flats) GROUP 2: 1.25 mm thick up to and including 6mm (cold formed,machined,radiused edges, without bearing flats) GROUP 3: above 6mm thick (fully machined from forged blanks, with bearing flats and thickness reduced)
Type	d2 max=nom size (h12)	d1 min= nom size (H12)	t thickness	t1	h1 cone height	h overall height	group	F (0.25Ho) N	F (0.50Ho) N	F (0.75Ho) N	F (0.100Ho) N	weight in Kg x 1000 pcs (ρ=7.85 kg/dm³)
-	6	3.2	0.3		0.15	0.45	-	45	84	119	153	0.044
C	8	4.2	0.2		0.25	0.45		21	33	39	42	0.055
B	8	4.2	0.3		0.25	0.55	1	52	89	118	142	0.08
A	8	4.2	0.4		0.2	0.6	1	78	147	210	269	0.115
C	10	5.2	0.25		0.3	0.55	1	30	48	58	63	0.109
B	10	5.2	0.4		0.3	0.7	1	88	155	209	257	0.161
A	10	5.2	0.5		0.25	0.75	1	122	228	325	418	0.209
C	12.5	6.2	0.35		0.45	0.8	1	84	130	151	160	0.251
B	12.5	6.2	0.5		0.35	0.85	1	120	215	293	363	0.251
A	12.5	6.2	0.7		0.3	1	1	239	457	660	855	0.483
C	14	7.2	0.35		0.45	0.8	1	68	106	123	131	0.308
B	14	7.2	0.5		0.4	0.9	1	120	210	279	338	0.308
A	14	7.2	0.8		0.3	1.1	1	284	547	797	1040	0.654
C	16	8.2	0.4		0.55	0.9	1	84	131	154	165	0.444
B	16	8.2	0.6		0.45	1.05	1	172	304	410	503	0.656
A	16	8.2	0.9		0.45	1.25	1	363	697	1010	1320	0.994
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Technical data for Disc springs

This product is regulated by the following standards:

Standard UNI 8737

Disc springs

Standard DIN 2093

Standard DIN EN 16983

Disc springs

Suppliers of Disc springs

Manufacturer of retaining rings, starlock washers, toothed washers, slotted spring pins, quick fixings and special parts

Manufacturer, since 1985, of flat , assembly, elastic conical, and special washers and blanks. tranciata. Primary automotive automotive supplier Quality certificates: ISO 9001-2000, TS 16949 2002.

Manufacturer of disc springs

Manufacturer of disc springs and special washers

Manufacturer of disc spring washers as per DIN 2093

Manufacturer of coil springs and distributor of disc springs, circlips,retaining rings, hose clamps, tool clips, retaining pins and linch pins, push on fasteners, shims and spring washers and split key rings.

Manufacturer of standard washers and stamping parts

Manufacturer specialized in all kinds of Plain Washers, Spring and wire washers, Circlips, Copper washers, Aluminum washers, Star washers, Conical star washers, Serrated washers, Conical washers, Spherical washers.

Manufacturer of flat washers, spring washers, toothed washers, contact washers, belleville washers, spring washers, retaining rings, stamping parts.

Manufacturer of retaining rings, special metallic fasteners, snap rings, spring pins, disc springs and speed nuts

Dimensions in mm - DIN EN 16983 Publication date: 09/2017 The DIN EN 16983 specification classifies disc springs into 3 groups: GROUP 1: under 1.25 mm thick (cold formed,radiused edges, iwthout bearing flats) GROUP 2: 1.25 mm thickup to and including 6mm (cold formed,machined,radiused edges, iwthout bearing flats) GROUP 3: above 6mm thick (fully machined from forged blanks, with bearing flats and thickness reduced)
Type	d2 max=nom size (h12)	d1 min= nom size (H12)	t thickness	t1	h1 cone height	h overall height	group
-	6	3.2	0.3	-	0.15	0.45	-
C	8	4.2	0.2	-	0.25	0.45
B	8	4.2	0.3	-	0.25	0.55	1
A	8	4.2	0.4	-	0.2	0.6	1
C	10	5.2	0.25	-	0.3	0.55	1
B	10	5.2	0.4	-	0.3	0.7	1
A	10	5.2	0.5	-	0.25	0.75	1
C	12.5	6.2	0.35	-	0.45	0.8	1
B	12.5	6.2	0.5	-	0.35	0.85	1
A	12.5	6.2	0.7	-	0.3	1	1
C	14	7.2	0.35	-	0.45	0.8	1
B	14	7.2	0.5	-	0.4	0.9	1
A	14	7.2	0.8	-	0.3	1.1	1
C	16	8.2	0.4	-	0.55	0.9	1
B	16	8.2	0.6	-	0.45	1.05	1
A	16	8.2	0.9	-	0.45	1.25	1
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