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This standard has been withdrawn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Dimensions in mm - UNI 8737 - Withdrawn Publication date: 11-1985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Dimensions in mm - DIN 2093 - Withdrawn Publication date: 12/2013 - Supersedes DIN 2093 01/1992; The DIN 2093 specification classifies disc springs into 3 groups: GROUP 1: under 1.25 mm thick (cold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 flat washers standard and specials, UNC/SAE/STD, special washers and stampings

Specialized in the production of nickel alloy springs and turning.

Manufacturer of disc springs and band clamps

Manufacturer of special washers, rings, e-clips, sheet metal parts

Manufacturer of washers and stampings

Distributor specialized in rings for shafts, shim washers and disc springs

Manufacturer of washers and safety devices for fastening

Manufacturer of springs and disc springs

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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