Spring Washer High Quality Carbon Steel Stainless Steel China Origin Supplier DIN127

Spring Washer

Spring Washer, also known as Lock Washer. Spring Washers are used between nuts and fittings. The function of Spring Washers is to expand the friction between the nut and the connecting piece and play a locking role.

Spring Washers are easy to install, low in cost, and have good fastening and shockproof effects. Spring Washer is available in carbon steel, stainless steel, and more, and widely used in occasions requiring fastening such as electromechanical equipment and machinery manufacturing.

There are many standards and specifications for Spring Washer. We need to decide which Spring Washer to use according to the usage situation. Customization is an option when necessary.

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Spring Washer Details

SIZE: M3-M64

MATEAIL: Carbon Steel, Stainless Steel

STANDARD: DIN127A, DIN127B

GRADE: /

SURFACE TREATMENT: ZP, HDG, BLACK, Dacromet

CUSTOMIZED SUPPORT: YES

DIN127A Spring Washer Specifications

SizeΦ3Φ3.5Φ4Φ5Φ6Φ7Φ8Φ10Φ12Φ14Φ16Φ18Φ20Φ22Φ24Φ27
d1min　3.13.64.15.16.17.18.110.212.214.216.218.220.222.524.527.5
max　3.43.94.45.46.57.58.510.712.714.7171921.223.525.528.5
d2max　6.26.77.69.211.812.814.818.121.124.127.429.433.635.94043
bNominal   Size　1.31.31.51.82.52.533.544.5556677
max　1.41.41.61.92.652.653.153.74.24.75.25.26.26.27.257.25
min　1.21.21.41.72.352.352.853.33.84.34.84.85.85.86.756.75
sNominal   Size　0.80.80.91.21.61.622.22.533.53.54455
max　0.90.911.31.71.72.12.352.653.153.73.74.24.25.25.2
min　0.70.70.81.11.51.51.92.052.352.853.33.33.83.84.84.8
hmin　1.91.92.12.73.63.64.655.86.87.87.88.88.81111
max　2.12.22.53.24.24.25.45.96.889.29.210.410.41313
k0.150.150.150.150.20.20.30.30.40.40.40.40.40.40.50.5
r0.20.20.20.20.30.30.50.51111111.61.6
　
SizeΦ30Φ36Φ39Φ42Φ45Φ48Φ52Φ56Φ60Φ64Φ68Φ72Φ80Φ90Φ100　
d1min　30.536.539.542.545.5495357616569738191101　
max　31.737.740.743.746.750.554.558.562.566.570.574.582.592.5102.5　
d2max　48.258.261.268.271.2758387919599103111121131　
bNominal   Size　81010121212141414141414141414　
max　8.2510.2510.2512.2512.2512.2514.2514.2514.2514.2514.2514.2514.2514.2514.25　
min　7.759.759.7511.7511.7511.7513.7513.7513.7513.7513.7513.7513.7513.7513.75　
sNominal   Size　666777888888888　
max　6.26.26.27.257.257.258.258.258.258.258.258.258.258.258.25　
min　5.85.85.86.756.756.757.757.757.757.757.757.757.757.757.75　
hmin　13.613.613.615.615.615.6181818181818181818　
max　16.116.116.118.418.418.421.221.221.221.221.221.221.221.221.2　
k0.80.80.80.80.80.8111111111　
r1.61.61.6222222222222　

Size	Φ3	Φ3.5	Φ4	Φ5	Φ6	Φ7	Φ8	Φ10	Φ12	Φ14	Φ16	Φ18	Φ20	Φ22	Φ24	Φ27
d1	min		3.1	3.6	4.1	5.1	6.1	7.1	8.1	10.2	12.2	14.2	16.2	18.2	20.2	22.5	24.5	27.5
max		3.4	3.9	4.4	5.4	6.5	7.5	8.5	10.7	12.7	14.7	17	19	21.2	23.5	25.5	28.5
d2	max		6.2	6.7	7.6	9.2	11.8	12.8	14.8	18.1	21.1	24.1	27.4	29.4	33.6	35.9	40	43
b	Nominal Size		1.3	1.3	1.5	1.8	2.5	2.5	3	3.5	4	4.5	5	5	6	6	7	7
max		1.4	1.4	1.6	1.9	2.65	2.65	3.15	3.7	4.2	4.7	5.2	5.2	6.2	6.2	7.25	7.25
min		1.2	1.2	1.4	1.7	2.35	2.35	2.85	3.3	3.8	4.3	4.8	4.8	5.8	5.8	6.75	6.75
s	Nominal Size		0.8	0.8	0.9	1.2	1.6	1.6	2	2.2	2.5	3	3.5	3.5	4	4	5	5
max		0.9	0.9	1	1.3	1.7	1.7	2.1	2.35	2.65	3.15	3.7	3.7	4.2	4.2	5.2	5.2
min		0.7	0.7	0.8	1.1	1.5	1.5	1.9	2.05	2.35	2.85	3.3	3.3	3.8	3.8	4.8	4.8
h	min		1.9	1.9	2.1	2.7	3.6	3.6	4.6	5	5.8	6.8	7.8	7.8	8.8	8.8	11	11
max		2.1	2.2	2.5	3.2	4.2	4.2	5.4	5.9	6.8	8	9.2	9.2	10.4	10.4	13	13
k	0.15	0.15	0.15	0.15	0.2	0.2	0.3	0.3	0.4	0.4	0.4	0.4	0.4	0.4	0.5	0.5
r	0.2	0.2	0.2	0.2	0.3	0.3	0.5	0.5	1	1	1	1	1	1	1.6	1.6

Size	Φ30	Φ36	Φ39	Φ42	Φ45	Φ48	Φ52	Φ56	Φ60	Φ64	Φ68	Φ72	Φ80	Φ90	Φ100
d1	min		30.5	36.5	39.5	42.5	45.5	49	53	57	61	65	69	73	81	91	101
max		31.7	37.7	40.7	43.7	46.7	50.5	54.5	58.5	62.5	66.5	70.5	74.5	82.5	92.5	102.5
d2	max		48.2	58.2	61.2	68.2	71.2	75	83	87	91	95	99	103	111	121	131
b	Nominal Size		8	10	10	12	12	12	14	14	14	14	14	14	14	14	14
max		8.25	10.25	10.25	12.25	12.25	12.25	14.25	14.25	14.25	14.25	14.25	14.25	14.25	14.25	14.25
min		7.75	9.75	9.75	11.75	11.75	11.75	13.75	13.75	13.75	13.75	13.75	13.75	13.75	13.75	13.75
s	Nominal Size		6	6	6	7	7	7	8	8	8	8	8	8	8	8	8
max		6.2	6.2	6.2	7.25	7.25	7.25	8.25	8.25	8.25	8.25	8.25	8.25	8.25	8.25	8.25
min		5.8	5.8	5.8	6.75	6.75	6.75	7.75	7.75	7.75	7.75	7.75	7.75	7.75	7.75	7.75
h	min		13.6	13.6	13.6	15.6	15.6	15.6	18	18	18	18	18	18	18	18	18
max		16.1	16.1	16.1	18.4	18.4	18.4	21.2	21.2	21.2	21.2	21.2	21.2	21.2	21.2	21.2
k	0.8	0.8	0.8	0.8	0.8	0.8	1	1	1	1	1	1	1	1	1
r	1.6	1.6	1.6	2	2	2	2	2	2	2	2	2	2	2	2

DIN127B Spring Washer Specifications

Nominal   DiameterΦ2Φ2.2Φ2.5Φ3Φ3.5Φ4Φ5Φ6Φ7Φ8Φ10Φ12
dmin　2.12.32.63.13.64.15.16.17.18.110.212.2
max　2.42.62.93.43.94.45.46.57.58.510.712.7
nNominal   Size　0.9111.31.31.51.82.52.533.54
max　11.11.11.41.41.61.92.652.653.153.74.2
min　0.80.90.91.21.21.41.72.352.352.853.33.8
hNominal   Size　0.50.60.60.80.80.91.21.61.622.22.5
max　0.60.70.70.90.911.31.71.72.12.352.65
min　0.40.50.50.70.70.81.11.51.51.92.052.35
Hmin　11.21.21.61.61.82.43.23.244.45
max　1.21.41.41.91.92.12.83.83.84.75.25.9
　              
   Nominal   DiameterΦ14Φ16Φ18Φ20Φ22Φ24Φ27Φ30Φ36Φ39Φ42Φ45
dmin　14.216.218.220.222.524.527.530.536.539.542.545.5
max　14.7171921.223.525.528.531.737.740.743.746.7
nNominal   Size　4.5556677810101212
max　4.75.25.26.26.27.257.258.2510.2510.2512.2512.25
min　4.34.84.85.85.86.756.757.759.759.7511.7511.75
hNominal   Size　33.53.5445566677
max　3.153.73.74.24.25.25.26.26.26.27.257.25
min　2.853.33.33.83.84.84.85.85.85.86.756.75
Hmin　6778810101212121414
max　7.18.38.39.49.411.811.814.214.214.216.516.5
　              
  Nominal   DiameterΦ48Φ52Φ56Φ60Φ64Φ68Φ72Φ80Φ90Φ100　　
dmin　495357616569738191101　　
max　50.554.558.562.566.570.574.582.592.5102.5　　
nNominal   Size　12141414141414141414　　
max　12.2514.2514.2514.2514.2514.2514.2514.2514.2514.25　　
min　11.7513.7513.7513.7513.7513.7513.7513.7513.7513.75　　
hNominal   Size　7888888888　　
max　7.258.258.258.258.258.258.258.258.258.25　　
min　6.757.757.757.757.757.757.757.757.757.75　　
Hmin　14161616161616161616　　
max　16.518.918.918.918.918.918.918.918.918.9　　

Nominal Diameter	Φ2	Φ2.2	Φ2.5	Φ3	Φ3.5	Φ4	Φ5	Φ6	Φ7	Φ8	Φ10	Φ12
d	min		2.1	2.3	2.6	3.1	3.6	4.1	5.1	6.1	7.1	8.1	10.2	12.2
max		2.4	2.6	2.9	3.4	3.9	4.4	5.4	6.5	7.5	8.5	10.7	12.7
n	Nominal Size		0.9	1	1	1.3	1.3	1.5	1.8	2.5	2.5	3	3.5	4
max		1	1.1	1.1	1.4	1.4	1.6	1.9	2.65	2.65	3.15	3.7	4.2
min		0.8	0.9	0.9	1.2	1.2	1.4	1.7	2.35	2.35	2.85	3.3	3.8
h	Nominal Size		0.5	0.6	0.6	0.8	0.8	0.9	1.2	1.6	1.6	2	2.2	2.5
max		0.6	0.7	0.7	0.9	0.9	1	1.3	1.7	1.7	2.1	2.35	2.65
min		0.4	0.5	0.5	0.7	0.7	0.8	1.1	1.5	1.5	1.9	2.05	2.35
H	min		1	1.2	1.2	1.6	1.6	1.8	2.4	3.2	3.2	4	4.4	5
max		1.2	1.4	1.4	1.9	1.9	2.1	2.8	3.8	3.8	4.7	5.2	5.9

Nominal Diameter	Φ14	Φ16	Φ18	Φ20	Φ22	Φ24	Φ27	Φ30	Φ36	Φ39	Φ42	Φ45
d	min		14.2	16.2	18.2	20.2	22.5	24.5	27.5	30.5	36.5	39.5	42.5	45.5
max		14.7	17	19	21.2	23.5	25.5	28.5	31.7	37.7	40.7	43.7	46.7
n	Nominal Size		4.5	5	5	6	6	7	7	8	10	10	12	12
max		4.7	5.2	5.2	6.2	6.2	7.25	7.25	8.25	10.25	10.25	12.25	12.25
min		4.3	4.8	4.8	5.8	5.8	6.75	6.75	7.75	9.75	9.75	11.75	11.75
h	Nominal Size		3	3.5	3.5	4	4	5	5	6	6	6	7	7
max		3.15	3.7	3.7	4.2	4.2	5.2	5.2	6.2	6.2	6.2	7.25	7.25
min		2.85	3.3	3.3	3.8	3.8	4.8	4.8	5.8	5.8	5.8	6.75	6.75
H	min		6	7	7	8	8	10	10	12	12	12	14	14
max		7.1	8.3	8.3	9.4	9.4	11.8	11.8	14.2	14.2	14.2	16.5	16.5

Nominal Diameter	Φ48	Φ52	Φ56	Φ60	Φ64	Φ68	Φ72	Φ80	Φ90	Φ100
d	min		49	53	57	61	65	69	73	81	91	101
max		50.5	54.5	58.5	62.5	66.5	70.5	74.5	82.5	92.5	102.5
n	Nominal Size		12	14	14	14	14	14	14	14	14	14
max		12.25	14.25	14.25	14.25	14.25	14.25	14.25	14.25	14.25	14.25
min		11.75	13.75	13.75	13.75	13.75	13.75	13.75	13.75	13.75	13.75
h	Nominal Size		7	8	8	8	8	8	8	8	8	8
max		7.25	8.25	8.25	8.25	8.25	8.25	8.25	8.25	8.25	8.25
min		6.75	7.75	7.75	7.75	7.75	7.75	7.75	7.75	7.75	7.75
H	min		14	16	16	16	16	16	16	16	16	16
max		16.5	18.9	18.9	18.9	18.9	18.9	18.9	18.9	18.9	18.9

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