disc springs
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Disc Springs to DIN 2093
Flange Washer
Valve Disc Spring
Heavy Duty Bolting Washers to DIN 6796
Stainless Steel Disc Springs
Ball Bearing Disc Springs
Serrated Safety Washers (anti-vibration)
Wave Spring
High Tempreture Disc Spring(≤400℃)
High torque spring washer(-200-330℃)
Ultra-high torque washer(≦600℃)
Double-slotted disc spring
Non-magnetic tight disc spring
Spherical Surface Safety Washer
"Z" type disc spring
Ring Spring
Special Disc Spring
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Products 

Non-standard sizes of disc spring

Item no.
D/mm
d/mm
t(t′)/mm
h0/mm
H0/mm
f=h0
f≈0.75h0
Q/kg/
1000pcs
σ om b/
N/mm2
f/mm
(H0-f)/mm
F/N
σ om b/
  N/mm2
SY301
260
131
14(12.9)
19.5
5.5
-1444
4.125
15.375
224687
1122
4012
SY302
260
131
11.5(10.6)
18
6.5
-1392
4.875
13.125
150851
1188
3296
SY303
260
131
9(8.3)
15.5
6.5
-1076
4.875
10.625
74483
986
2581
SY304
270
136
15(13.8)
21
6
-1565
4.5
16.5
279693
1223
4629
SY305
270
136
13(12)
19
6
-1351
4.5
14.5
183541
1087
4025
SY306
270
136
10(9.2)
17.5
7.5
-1276
5.625
11.875
109946
1189
3086
SY307
280
142
16(14.75)
22
6
-1560
4.5
17.5
315987
1202
5296
SY308
280
142
13(12)
20.5
7.5
-1566
5.625
14.875
218086
1341
4309
SY309
280
142
10(9.2)
17.5
7.5
-1192
5.624
11.875
102681
1113
3304
SY310
290
147
16(14.75)
22
6
-1454
4.5
17.5
294484
1120
5683
SY311
290
147
13(12)
20.5
7.5
-1459
5.625
14.875
203246
1249
4623
SY312
290
147
10.5(9.7)
18.5
8
-1244
6
12.5
118434
1161
3737
SY313
300
152
16(14.75)
22.5
6.5
-1469
4.875
17.625
299199
1151
6084
SY314
300
152
13.5(12.45)
21
7.5
-1417
5.625
15.375
211867
1202
5135
SY315
300
152
11(10.15)
19
8
-1220
6
13
126270
1122
4168
SY316
315
162
18(16.9)
25
7
-1629
5.25
19.75
419031
1236
7613
SY317
315
162
15(13.8)
23.5
8.5
-1635
6.375
17.125
297519
1380
6209
SY318
315
162
12(11.05)
21
9
-1368
6.75
14.25
169652
1283
4972
SY319
330
167
17(15.65)
24
7
-1469
5.25
18.75
378013
1108
8451
SY320
330
167
15(13.8)
23.5
8.5
-1473
6.375
17.125
272522
1259
6893
SY321
330
167
12(11.05)
21
9
-1234
6
15
153045
1150
5519
SY322
340
172
18(16.6)
25
7
-1384
5.25
19.75
356028
1045
8962
SY323
340
172
15(13.8)
23.5
8.5
-1387
6.375
17.125
256672
1186
7318
SY324
340
172
12(11.05)
21
9
-1162
6.75
14.25
144144
1083
5860
SY325
355
182
19(17.5)
27
8
-1626
6
21
516889
1275
10568
SY326
355
182
16.5(15.2)
26
9.5
-1576
7.125
18.875
353672
1359
8706
SY327
355
182
13(12)
23
10
-1239
7.5
15.5
189116
1218
6873
SY328
370
187
20(18.45)
28
8
-1484
6
22
471668
1157
11595
SY329
370
187
16.5(15.2)
26
9.5
-1438
7.125
18.875
322730
1233
9552
SY330
370
187
13(12)
23
10
-1180
7.5
15.5
172570
1105
7541
SY331
380
192
20(18.45)
28.5
8.5
-1492
6.375
22.125
476530
1179
12232
SY332
380
192
17(15.65)
27
10
-1478
7.5
19.5
352946
1275
10376
SY333
380
192
13.5(12.45)
23.5
10
-1163
7.5
16
182062
1077
8254
SY334
400
202
21(19.35)
29.5
8.5
-1416
6.375
23.125
496432
1108
14220
SY335
400
202
18(16.6)
28
10
-1416
7.5
20.5
375905
1168
12420
SY336
400
202
14(12.9)
24.5
10.5
-1142
7.875
16.625
192737
1062
9480
SY337
420
212
22(20.25)
31
9
-1423
6.75
24.25
548308
1118
6412
SY338
420
212
19(17.5)
29.5
10.5
-1422
7.875
21.625
420725
1204
14183
SY339
420
212
15(13.8)
26
11
-1163
8.25
17.75
224394
1076
11185
SY340
440
222
23(21.1)
32.5
9.5
-1431
7.125
25.375
602805
1132
18775
SY341
440
222
20(18.45)
31.5
11.5
-1491
8.625
22.875
491415
1274
16416
SY342
440
222
16(14.75)
28
12
-1232
9
19
271589
1145
13124
SY343
450
227
25(23.05)
36
11
-1718
8.25
27.75
859748
1369
21455
SY344
450
227
21(19.35)
33
12
-1562
9
24
567109
1334
18011
SY345
450
227
14(14.75)
28
12
-1178
9
19
259623
1095
13729
SY346
480
242
26(23.95)
36
10
-1432
7.5
28.5
767144
1108
25373
SY347
480
242
21.5(19.8)
34
12.5
-1463
9.375
24.625
557948
1256
20977
SY348
480
242
17(15.65)
30
13
-1190
9.75
20.25
297357
1115
16580
SY349
500
253
27(24.85)
38
11
-1509
8.25
29.75
875297
1186
28497
SY350
500
253
22.5(20.75)
35.5
12.5
-1414
9.375
26.125
596978
1220
23794
SY351
500
253
18(16.6)
31.5
13.5
-1214
10.125
21.375
337473
1100
19379
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Disc Springs to DIN 2093 | Heavy Duty Bolting Washers to DIN 6796 | Stainless Steel Disc Springs | Bearing Preload Disc Springs | Serrated Safety Washers (anti-vibration) | Waved Spring | Clutch Spring | belleville spring washer
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